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Finding the Fourth Proportional to 733.25, 1,098.97 and 528.53

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Solution

The fourth proportional to 733.25, 1,098.97 and 528.53 is: 792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.25 : 1,098.97 = 528.53 : x
  2. Step 2: Convert to fraction form
    733.25/1,098.97 = 528.53/x
  3. Step 3: Cross multiply
    733.25x = 1,098.97 × 528.53
  4. Step 4: Simplify right side
    733.25x = 580,831.80
  5. Step 5: Solve for x
    x = 580,831.80/733.25
  6. Step 6: Final answer
    x = 792.13

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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.