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Finding the Fourth Proportional to 461,611.60, 691,166.22 and 239,529.04

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Solution

The fourth proportional to 461,611.60, 691,166.22 and 239,529.04 is: 358,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,611.60 : 691,166.22 = 239,529.04 : x
  2. Step 2: Convert to fraction form
    461,611.60/691,166.22 = 239,529.04/x
  3. Step 3: Cross multiply
    461,611.60x = 691,166.22 × 239,529.04
  4. Step 4: Simplify right side
    461,611.60x = 165,554,381,157.03
  5. Step 5: Solve for x
    x = 165,554,381,157.03/461,611.60
  6. Step 6: Final answer
    x = 358,644.33

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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.