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Finding the Fourth Proportional to 733.52, 1,102.56 and 461.36

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Solution

The fourth proportional to 733.52, 1,102.56 and 461.36 is: 693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.52 : 1,102.56 = 461.36 : x
  2. Step 2: Convert to fraction form
    733.52/1,102.56 = 461.36/x
  3. Step 3: Cross multiply
    733.52x = 1,102.56 × 461.36
  4. Step 4: Simplify right side
    733.52x = 508,677.08
  5. Step 5: Solve for x
    x = 508,677.08/733.52
  6. Step 6: Final answer
    x = 693.47

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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.