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Finding the Fourth Proportional to 439,213.59, 658,377.52 and 333,811.13

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Solution

The fourth proportional to 439,213.59, 658,377.52 and 333,811.13 is: 500,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,213.59 : 658,377.52 = 333,811.13 : x
  2. Step 2: Convert to fraction form
    439,213.59/658,377.52 = 333,811.13/x
  3. Step 3: Cross multiply
    439,213.59x = 658,377.52 × 333,811.13
  4. Step 4: Simplify right side
    439,213.59x = 219,773,739,791.38
  5. Step 5: Solve for x
    x = 219,773,739,791.38/439,213.59
  6. Step 6: Final answer
    x = 500,380.10

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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.