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Finding the Fourth Proportional to 439,514.22, 659,296.85 and 169,643.89

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Solution

The fourth proportional to 439,514.22, 659,296.85 and 169,643.89 is: 254,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,514.22 : 659,296.85 = 169,643.89 : x
  2. Step 2: Convert to fraction form
    439,514.22/659,296.85 = 169,643.89/x
  3. Step 3: Cross multiply
    439,514.22x = 659,296.85 × 169,643.89
  4. Step 4: Simplify right side
    439,514.22x = 111,845,682,298.75
  5. Step 5: Solve for x
    x = 111,845,682,298.75/439,514.22
  6. Step 6: Final answer
    x = 254,475.69

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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.