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Finding the Fourth Proportional to 732.44, 1,098.67 and 528.31

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Solution

The fourth proportional to 732.44, 1,098.67 and 528.31 is: 792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.44 : 1,098.67 = 528.31 : x
  2. Step 2: Convert to fraction form
    732.44/1,098.67 = 528.31/x
  3. Step 3: Cross multiply
    732.44x = 1,098.67 × 528.31
  4. Step 4: Simplify right side
    732.44x = 580,438.35
  5. Step 5: Solve for x
    x = 580,438.35/732.44
  6. Step 6: Final answer
    x = 792.47

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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.