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Finding the Fourth Proportional to 482,910,542.40, 724,365,813.60 and 482,910,542.40

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Solution

The fourth proportional to 482,910,542.40, 724,365,813.60 and 482,910,542.40 is: 724,365,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,910,542.40 : 724,365,813.60 = 482,910,542.40 : x
  2. Step 2: Convert to fraction form
    482,910,542.40/724,365,813.60 = 482,910,542.40/x
  3. Step 3: Cross multiply
    482,910,542.40x = 724,365,813.60 × 482,910,542.40
  4. Step 4: Simplify right side
    482,910,542.40x = 349,803,887,941,593,280
  5. Step 5: Solve for x
    x = 349,803,887,941,593,280/482,910,542.40
  6. Step 6: Final answer
    x = 724,365,813.60

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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.