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Finding the Fourth Proportional to 461,754.60, 691,380.72 and 239,672.04

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Solution

The fourth proportional to 461,754.60, 691,380.72 and 239,672.04 is: 358,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,754.60 : 691,380.72 = 239,672.04 : x
  2. Step 2: Convert to fraction form
    461,754.60/691,380.72 = 239,672.04/x
  3. Step 3: Cross multiply
    461,754.60x = 691,380.72 × 239,672.04
  4. Step 4: Simplify right side
    461,754.60x = 165,704,627,579.07
  5. Step 5: Solve for x
    x = 165,704,627,579.07/461,754.60
  6. Step 6: Final answer
    x = 358,858.64

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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.