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Finding the Fourth Proportional to 585,355.68, 878,013.47 and 248,179.20

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Solution

The fourth proportional to 585,355.68, 878,013.47 and 248,179.20 is: 372,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,355.68 : 878,013.47 = 248,179.20 : x
  2. Step 2: Convert to fraction form
    585,355.68/878,013.47 = 248,179.20/x
  3. Step 3: Cross multiply
    585,355.68x = 878,013.47 × 248,179.20
  4. Step 4: Simplify right side
    585,355.68x = 217,904,680,573.82
  5. Step 5: Solve for x
    x = 217,904,680,573.82/585,355.68
  6. Step 6: Final answer
    x = 372,260.30

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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.