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Finding the Fourth Proportional to 376,713.51, 564,785.15 and 187,251.27

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Solution

The fourth proportional to 376,713.51, 564,785.15 and 187,251.27 is: 280,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,713.51 : 564,785.15 = 187,251.27 : x
  2. Step 2: Convert to fraction form
    376,713.51/564,785.15 = 187,251.27/x
  3. Step 3: Cross multiply
    376,713.51x = 564,785.15 × 187,251.27
  4. Step 4: Simplify right side
    376,713.51x = 105,756,735,678.38
  5. Step 5: Solve for x
    x = 105,756,735,678.38/376,713.51
  6. Step 6: Final answer
    x = 280,735.18

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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.