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Finding the Fourth Proportional to 502,754.46, 753,971.41 and 165,732.30

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Solution

The fourth proportional to 502,754.46, 753,971.41 and 165,732.30 is: 248,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,754.46 : 753,971.41 = 165,732.30 : x
  2. Step 2: Convert to fraction form
    502,754.46/753,971.41 = 165,732.30/x
  3. Step 3: Cross multiply
    502,754.46x = 753,971.41 × 165,732.30
  4. Step 4: Simplify right side
    502,754.46x = 124,957,415,913.54
  5. Step 5: Solve for x
    x = 124,957,415,913.54/502,754.46
  6. Step 6: Final answer
    x = 248,545.61

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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.