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Finding the Fourth Proportional to 924.14, 1,382.96 and 717.39

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Solution

The fourth proportional to 924.14, 1,382.96 and 717.39 is: 1,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.14 : 1,382.96 = 717.39 : x
  2. Step 2: Convert to fraction form
    924.14/1,382.96 = 717.39/x
  3. Step 3: Cross multiply
    924.14x = 1,382.96 × 717.39
  4. Step 4: Simplify right side
    924.14x = 992,114.76
  5. Step 5: Solve for x
    x = 992,114.76/924.14
  6. Step 6: Final answer
    x = 1,073.56

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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.