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Finding the Fourth Proportional to 522,469.32, 783,814.81 and 167,732.52

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Solution

The fourth proportional to 522,469.32, 783,814.81 and 167,732.52 is: 251,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,469.32 : 783,814.81 = 167,732.52 : x
  2. Step 2: Convert to fraction form
    522,469.32/783,814.81 = 167,732.52/x
  3. Step 3: Cross multiply
    522,469.32x = 783,814.81 × 167,732.52
  4. Step 4: Simplify right side
    522,469.32x = 131,471,233,294.62
  5. Step 5: Solve for x
    x = 131,471,233,294.62/522,469.32
  6. Step 6: Final answer
    x = 251,634.36

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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.