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Finding the Fourth Proportional to 754,704.54, 1,132,253.64 and 281,394

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Solution

The fourth proportional to 754,704.54, 1,132,253.64 and 281,394 is: 422,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,704.54 : 1,132,253.64 = 281,394 : x
  2. Step 2: Convert to fraction form
    754,704.54/1,132,253.64 = 281,394/x
  3. Step 3: Cross multiply
    754,704.54x = 1,132,253.64 × 281,394
  4. Step 4: Simplify right side
    754,704.54x = 318,609,380,774.16
  5. Step 5: Solve for x
    x = 318,609,380,774.16/754,704.54
  6. Step 6: Final answer
    x = 422,164.39

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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.