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Finding the Fourth Proportional to 606,078.65, 909,117.95 and 575,772.50

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Solution

The fourth proportional to 606,078.65, 909,117.95 and 575,772.50 is: 863,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,078.65 : 909,117.95 = 575,772.50 : x
  2. Step 2: Convert to fraction form
    606,078.65/909,117.95 = 575,772.50/x
  3. Step 3: Cross multiply
    606,078.65x = 909,117.95 × 575,772.50
  4. Step 4: Simplify right side
    606,078.65x = 523,445,114,260.31
  5. Step 5: Solve for x
    x = 523,445,114,260.31/606,078.65
  6. Step 6: Final answer
    x = 863,658.72

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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.