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Finding the Fourth Proportional to 439,758.44, 659,734.42 and 250,307.96

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Solution

The fourth proportional to 439,758.44, 659,734.42 and 250,307.96 is: 375,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,758.44 : 659,734.42 = 250,307.96 : x
  2. Step 2: Convert to fraction form
    439,758.44/659,734.42 = 250,307.96/x
  3. Step 3: Cross multiply
    439,758.44x = 659,734.42 × 250,307.96
  4. Step 4: Simplify right side
    439,758.44x = 165,136,776,811.98
  5. Step 5: Solve for x
    x = 165,136,776,811.98/439,758.44
  6. Step 6: Final answer
    x = 375,517.02

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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.