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Finding the Fourth Proportional to 576,960.80, 865,601.19 and 240,160.10

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Solution

The fourth proportional to 576,960.80, 865,601.19 and 240,160.10 is: 360,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,960.80 : 865,601.19 = 240,160.10 : x
  2. Step 2: Convert to fraction form
    576,960.80/865,601.19 = 240,160.10/x
  3. Step 3: Cross multiply
    576,960.80x = 865,601.19 × 240,160.10
  4. Step 4: Simplify right side
    576,960.80x = 207,882,868,350.52
  5. Step 5: Solve for x
    x = 207,882,868,350.52/576,960.80
  6. Step 6: Final answer
    x = 360,306.75

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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.