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Finding the Fourth Proportional to 242,611.70, 363,917.55 and 231,725.30

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Solution

The fourth proportional to 242,611.70, 363,917.55 and 231,725.30 is: 347,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,611.70 : 363,917.55 = 231,725.30 : x
  2. Step 2: Convert to fraction form
    242,611.70/363,917.55 = 231,725.30/x
  3. Step 3: Cross multiply
    242,611.70x = 363,917.55 × 231,725.30
  4. Step 4: Simplify right side
    242,611.70x = 84,328,903,449.02
  5. Step 5: Solve for x
    x = 84,328,903,449.02/242,611.70
  6. Step 6: Final answer
    x = 347,587.95

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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.