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Finding the Fourth Proportional to 732.12, 1,096.38 and 525.84

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Solution

The fourth proportional to 732.12, 1,096.38 and 525.84 is: 787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.12 : 1,096.38 = 525.84 : x
  2. Step 2: Convert to fraction form
    732.12/1,096.38 = 525.84/x
  3. Step 3: Cross multiply
    732.12x = 1,096.38 × 525.84
  4. Step 4: Simplify right side
    732.12x = 576,520.46
  5. Step 5: Solve for x
    x = 576,520.46/732.12
  6. Step 6: Final answer
    x = 787.47

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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.