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Finding the Fourth Proportional to 576,007.20, 864,010.80 and 482,695.20

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Solution

The fourth proportional to 576,007.20, 864,010.80 and 482,695.20 is: 724,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,007.20 : 864,010.80 = 482,695.20 : x
  2. Step 2: Convert to fraction form
    576,007.20/864,010.80 = 482,695.20/x
  3. Step 3: Cross multiply
    576,007.20x = 864,010.80 × 482,695.20
  4. Step 4: Simplify right side
    576,007.20x = 417,053,865,908.16
  5. Step 5: Solve for x
    x = 417,053,865,908.16/576,007.20
  6. Step 6: Final answer
    x = 724,042.80

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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.