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Finding the Fourth Proportional to 482,711,699.80, 724,067,549.70 and 176,013,818.20

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Solution

The fourth proportional to 482,711,699.80, 724,067,549.70 and 176,013,818.20 is: 264,020,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,711,699.80 : 724,067,549.70 = 176,013,818.20 : x
  2. Step 2: Convert to fraction form
    482,711,699.80/724,067,549.70 = 176,013,818.20/x
  3. Step 3: Cross multiply
    482,711,699.80x = 724,067,549.70 × 176,013,818.20
  4. Step 4: Simplify right side
    482,711,699.80x = 127,445,894,057,415,264
  5. Step 5: Solve for x
    x = 127,445,894,057,415,264/482,711,699.80
  6. Step 6: Final answer
    x = 264,020,727.30

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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.