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Finding the Fourth Proportional to 501,499.91, 752,247.27 and 122,422.68

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Solution

The fourth proportional to 501,499.91, 752,247.27 and 122,422.68 is: 183,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,499.91 : 752,247.27 = 122,422.68 : x
  2. Step 2: Convert to fraction form
    501,499.91/752,247.27 = 122,422.68/x
  3. Step 3: Cross multiply
    501,499.91x = 752,247.27 × 122,422.68
  4. Step 4: Simplify right side
    501,499.91x = 92,092,126,816.08
  5. Step 5: Solve for x
    x = 92,092,126,816.08/501,499.91
  6. Step 6: Final answer
    x = 183,633.39

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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.