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Finding the Fourth Proportional to 351,565.60, 527,218.80 and 174,013.60

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Solution

The fourth proportional to 351,565.60, 527,218.80 and 174,013.60 is: 260,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,565.60 : 527,218.80 = 174,013.60 : x
  2. Step 2: Convert to fraction form
    351,565.60/527,218.80 = 174,013.60/x
  3. Step 3: Cross multiply
    351,565.60x = 527,218.80 × 174,013.60
  4. Step 4: Simplify right side
    351,565.60x = 91,743,241,375.68
  5. Step 5: Solve for x
    x = 91,743,241,375.68/351,565.60
  6. Step 6: Final answer
    x = 260,956.25

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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.