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Finding the Fourth Proportional to 574,686.48, 862,164.52 and 175,327.12

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Solution

The fourth proportional to 574,686.48, 862,164.52 and 175,327.12 is: 263,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,686.48 : 862,164.52 = 175,327.12 : x
  2. Step 2: Convert to fraction form
    574,686.48/862,164.52 = 175,327.12/x
  3. Step 3: Cross multiply
    574,686.48x = 862,164.52 × 175,327.12
  4. Step 4: Simplify right side
    574,686.48x = 151,160,822,257.78
  5. Step 5: Solve for x
    x = 151,160,822,257.78/574,686.48
  6. Step 6: Final answer
    x = 263,031.81

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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.