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Finding the Fourth Proportional to 351,575.71, 527,388.17 and 174,035.05

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Solution

The fourth proportional to 351,575.71, 527,388.17 and 174,035.05 is: 261,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,575.71 : 527,388.17 = 174,035.05 : x
  2. Step 2: Convert to fraction form
    351,575.71/527,388.17 = 174,035.05/x
  3. Step 3: Cross multiply
    351,575.71x = 527,388.17 × 174,035.05
  4. Step 4: Simplify right side
    351,575.71x = 91,784,024,346.71
  5. Step 5: Solve for x
    x = 91,784,024,346.71/351,575.71
  6. Step 6: Final answer
    x = 261,064.75

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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.