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Finding the Fourth Proportional to 576,502.20, 864,753.30 and 363,925.80

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Solution

The fourth proportional to 576,502.20, 864,753.30 and 363,925.80 is: 545,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,502.20 : 864,753.30 = 363,925.80 : x
  2. Step 2: Convert to fraction form
    576,502.20/864,753.30 = 363,925.80/x
  3. Step 3: Cross multiply
    576,502.20x = 864,753.30 × 363,925.80
  4. Step 4: Simplify right side
    576,502.20x = 314,706,036,505.14
  5. Step 5: Solve for x
    x = 314,706,036,505.14/576,502.20
  6. Step 6: Final answer
    x = 545,888.70

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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.