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Finding the Fourth Proportional to 376,425.57, 564,710.72 and 151,808.75

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Solution

The fourth proportional to 376,425.57, 564,710.72 and 151,808.75 is: 227,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,425.57 : 564,710.72 = 151,808.75 : x
  2. Step 2: Convert to fraction form
    376,425.57/564,710.72 = 151,808.75/x
  3. Step 3: Cross multiply
    376,425.57x = 564,710.72 × 151,808.75
  4. Step 4: Simplify right side
    376,425.57x = 85,728,024,932.20
  5. Step 5: Solve for x
    x = 85,728,024,932.20/376,425.57
  6. Step 6: Final answer
    x = 227,742.30

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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.