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Finding the Fourth Proportional to 575,728,815.30, 863,593,222.95 and 472,416,684.90

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Solution

The fourth proportional to 575,728,815.30, 863,593,222.95 and 472,416,684.90 is: 708,625,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,728,815.30 : 863,593,222.95 = 472,416,684.90 : x
  2. Step 2: Convert to fraction form
    575,728,815.30/863,593,222.95 = 472,416,684.90/x
  3. Step 3: Cross multiply
    575,728,815.30x = 863,593,222.95 × 472,416,684.90
  4. Step 4: Simplify right side
    575,728,815.30x = 407,975,847,488,145,600
  5. Step 5: Solve for x
    x = 407,975,847,488,145,600/575,728,815.30
  6. Step 6: Final answer
    x = 708,625,027.35

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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.