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Finding the Fourth Proportional to 376,253.42, 564,233.10 and 136,310.36

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Solution

The fourth proportional to 376,253.42, 564,233.10 and 136,310.36 is: 204,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,253.42 : 564,233.10 = 136,310.36 : x
  2. Step 2: Convert to fraction form
    376,253.42/564,233.10 = 136,310.36/x
  3. Step 3: Cross multiply
    376,253.42x = 564,233.10 × 136,310.36
  4. Step 4: Simplify right side
    376,253.42x = 76,910,816,984.92
  5. Step 5: Solve for x
    x = 76,910,816,984.92/376,253.42
  6. Step 6: Final answer
    x = 204,412.27

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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.