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Finding the Fourth Proportional to 576,906.22, 865,669.16 and 240,179.30

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Solution

The fourth proportional to 576,906.22, 865,669.16 and 240,179.30 is: 360,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,906.22 : 865,669.16 = 240,179.30 : x
  2. Step 2: Convert to fraction form
    576,906.22/865,669.16 = 240,179.30/x
  3. Step 3: Cross multiply
    576,906.22x = 865,669.16 × 240,179.30
  4. Step 4: Simplify right side
    576,906.22x = 207,915,812,880.39
  5. Step 5: Solve for x
    x = 207,915,812,880.39/576,906.22
  6. Step 6: Final answer
    x = 360,397.94

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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.