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Finding the Fourth Proportional to 376,412.96, 564,500.46 and 123,651.92

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Solution

The fourth proportional to 376,412.96, 564,500.46 and 123,651.92 is: 185,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,412.96 : 564,500.46 = 123,651.92 : x
  2. Step 2: Convert to fraction form
    376,412.96/564,500.46 = 123,651.92/x
  3. Step 3: Cross multiply
    376,412.96x = 564,500.46 × 123,651.92
  4. Step 4: Simplify right side
    376,412.96x = 69,801,565,719.88
  5. Step 5: Solve for x
    x = 69,801,565,719.88/376,412.96
  6. Step 6: Final answer
    x = 185,438.79

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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.