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Finding the Fourth Proportional to 610,137,728.20, 915,206,592.30 and 610,137,728.20

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Solution

The fourth proportional to 610,137,728.20, 915,206,592.30 and 610,137,728.20 is: 915,206,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,137,728.20 : 915,206,592.30 = 610,137,728.20 : x
  2. Step 2: Convert to fraction form
    610,137,728.20/915,206,592.30 = 610,137,728.20/x
  3. Step 3: Cross multiply
    610,137,728.20x = 915,206,592.30 × 610,137,728.20
  4. Step 4: Simplify right side
    610,137,728.20x = 558,402,071,059,585,600
  5. Step 5: Solve for x
    x = 558,402,071,059,585,600/610,137,728.20
  6. Step 6: Final answer
    x = 915,206,592.30

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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.