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Finding the Fourth Proportional to 354,701.48, 531,847.42 and 242,517.56

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Solution

The fourth proportional to 354,701.48, 531,847.42 and 242,517.56 is: 363,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,701.48 : 531,847.42 = 242,517.56 : x
  2. Step 2: Convert to fraction form
    354,701.48/531,847.42 = 242,517.56/x
  3. Step 3: Cross multiply
    354,701.48x = 531,847.42 × 242,517.56
  4. Step 4: Simplify right side
    354,701.48x = 128,982,335,325.16
  5. Step 5: Solve for x
    x = 128,982,335,325.16/354,701.48
  6. Step 6: Final answer
    x = 363,636.31

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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.