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Finding the Fourth Proportional to 585,353.68, 878,010.47 and 248,177.20

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Solution

The fourth proportional to 585,353.68, 878,010.47 and 248,177.20 is: 372,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,353.68 : 878,010.47 = 248,177.20 : x
  2. Step 2: Convert to fraction form
    585,353.68/878,010.47 = 248,177.20/x
  3. Step 3: Cross multiply
    585,353.68x = 878,010.47 × 248,177.20
  4. Step 4: Simplify right side
    585,353.68x = 217,902,180,015.28
  5. Step 5: Solve for x
    x = 217,902,180,015.28/585,353.68
  6. Step 6: Final answer
    x = 372,257.30

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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.