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Finding the Fourth Proportional to 576,960.30, 865,600.43 and 240,159.60

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Solution

The fourth proportional to 576,960.30, 865,600.43 and 240,159.60 is: 360,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,960.30 : 865,600.43 = 240,159.60 : x
  2. Step 2: Convert to fraction form
    576,960.30/865,600.43 = 240,159.60/x
  3. Step 3: Cross multiply
    576,960.30x = 865,600.43 × 240,159.60
  4. Step 4: Simplify right side
    576,960.30x = 207,882,251,827.83
  5. Step 5: Solve for x
    x = 207,882,251,827.83/576,960.30
  6. Step 6: Final answer
    x = 360,305.99

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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.