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Finding the Fourth Proportional to 376,361.78, 564,423.75 and 123,600.62

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Solution

The fourth proportional to 376,361.78, 564,423.75 and 123,600.62 is: 185,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,361.78 : 564,423.75 = 123,600.62 : x
  2. Step 2: Convert to fraction form
    376,361.78/564,423.75 = 123,600.62/x
  3. Step 3: Cross multiply
    376,361.78x = 564,423.75 × 123,600.62
  4. Step 4: Simplify right side
    376,361.78x = 69,763,126,853.78
  5. Step 5: Solve for x
    x = 69,763,126,853.78/376,361.78
  6. Step 6: Final answer
    x = 185,361.88

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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.