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Finding the Fourth Proportional to 754.82, 1,132.50 and 465.92

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Solution

The fourth proportional to 754.82, 1,132.50 and 465.92 is: 699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.82 : 1,132.50 = 465.92 : x
  2. Step 2: Convert to fraction form
    754.82/1,132.50 = 465.92/x
  3. Step 3: Cross multiply
    754.82x = 1,132.50 × 465.92
  4. Step 4: Simplify right side
    754.82x = 527,654.40
  5. Step 5: Solve for x
    x = 527,654.40/754.82
  6. Step 6: Final answer
    x = 699.05

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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.