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Finding the Fourth Proportional to 325,591.60, 488,553.94 and 155,006.08

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Solution

The fourth proportional to 325,591.60, 488,553.94 and 155,006.08 is: 232,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,591.60 : 488,553.94 = 155,006.08 : x
  2. Step 2: Convert to fraction form
    325,591.60/488,553.94 = 155,006.08/x
  3. Step 3: Cross multiply
    325,591.60x = 488,553.94 × 155,006.08
  4. Step 4: Simplify right side
    325,591.60x = 75,728,831,107.96
  5. Step 5: Solve for x
    x = 75,728,831,107.96/325,591.60
  6. Step 6: Final answer
    x = 232,588.41

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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.