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Finding the Fourth Proportional to 439,722.99, 659,610.63 and 169,853.22

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Solution

The fourth proportional to 439,722.99, 659,610.63 and 169,853.22 is: 254,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,722.99 : 659,610.63 = 169,853.22 : x
  2. Step 2: Convert to fraction form
    439,722.99/659,610.63 = 169,853.22/x
  3. Step 3: Cross multiply
    439,722.99x = 659,610.63 × 169,853.22
  4. Step 4: Simplify right side
    439,722.99x = 112,036,989,451.73
  5. Step 5: Solve for x
    x = 112,036,989,451.73/439,722.99
  6. Step 6: Final answer
    x = 254,789.93

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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.