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Finding the Fourth Proportional to 482,891,630.40, 724,337,445.60 and 482,891,630.40

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Solution

The fourth proportional to 482,891,630.40, 724,337,445.60 and 482,891,630.40 is: 724,337,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,891,630.40 : 724,337,445.60 = 482,891,630.40 : x
  2. Step 2: Convert to fraction form
    482,891,630.40/724,337,445.60 = 482,891,630.40/x
  3. Step 3: Cross multiply
    482,891,630.40x = 724,337,445.60 × 482,891,630.40
  4. Step 4: Simplify right side
    482,891,630.40x = 349,776,490,065,555,328
  5. Step 5: Solve for x
    x = 349,776,490,065,555,328/482,891,630.40
  6. Step 6: Final answer
    x = 724,337,445.60

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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.