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Finding the Fourth Proportional to 604,860,823.30, 907,291,234.95 and 604,860,823.30

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Solution

The fourth proportional to 604,860,823.30, 907,291,234.95 and 604,860,823.30 is: 907,291,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,860,823.30 : 907,291,234.95 = 604,860,823.30 : x
  2. Step 2: Convert to fraction form
    604,860,823.30/907,291,234.95 = 604,860,823.30/x
  3. Step 3: Cross multiply
    604,860,823.30x = 907,291,234.95 × 604,860,823.30
  4. Step 4: Simplify right side
    604,860,823.30x = 548,784,923,344,730,688
  5. Step 5: Solve for x
    x = 548,784,923,344,730,688/604,860,823.30
  6. Step 6: Final answer
    x = 907,291,234.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.