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Finding the Fourth Proportional to 576,001.40, 864,002.10 and 572,502.20

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Solution

The fourth proportional to 576,001.40, 864,002.10 and 572,502.20 is: 858,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,001.40 : 864,002.10 = 572,502.20 : x
  2. Step 2: Convert to fraction form
    576,001.40/864,002.10 = 572,502.20/x
  3. Step 3: Cross multiply
    576,001.40x = 864,002.10 × 572,502.20
  4. Step 4: Simplify right side
    576,001.40x = 494,643,103,054.62
  5. Step 5: Solve for x
    x = 494,643,103,054.62/576,001.40
  6. Step 6: Final answer
    x = 858,753.30

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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.