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Finding the Fourth Proportional to 524,003.38, 786,171.14 and 187,036.57

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Solution

The fourth proportional to 524,003.38, 786,171.14 and 187,036.57 is: 280,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,003.38 : 786,171.14 = 187,036.57 : x
  2. Step 2: Convert to fraction form
    524,003.38/786,171.14 = 187,036.57/x
  3. Step 3: Cross multiply
    524,003.38x = 786,171.14 × 187,036.57
  4. Step 4: Simplify right side
    524,003.38x = 147,042,753,458.59
  5. Step 5: Solve for x
    x = 147,042,753,458.59/524,003.38
  6. Step 6: Final answer
    x = 280,614.13

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1.5x scale

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.