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Finding the Fourth Proportional to 732.88, 1,097.28 and 501.28

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Solution

The fourth proportional to 732.88, 1,097.28 and 501.28 is: 750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.88 : 1,097.28 = 501.28 : x
  2. Step 2: Convert to fraction form
    732.88/1,097.28 = 501.28/x
  3. Step 3: Cross multiply
    732.88x = 1,097.28 × 501.28
  4. Step 4: Simplify right side
    732.88x = 550,044.52
  5. Step 5: Solve for x
    x = 550,044.52/732.88
  6. Step 6: Final answer
    x = 750.52

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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.