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Finding the Fourth Proportional to 922.38, 1,273.26 and 591.24

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Solution

The fourth proportional to 922.38, 1,273.26 and 591.24 is: 816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.38 : 1,273.26 = 591.24 : x
  2. Step 2: Convert to fraction form
    922.38/1,273.26 = 591.24/x
  3. Step 3: Cross multiply
    922.38x = 1,273.26 × 591.24
  4. Step 4: Simplify right side
    922.38x = 752,802.24
  5. Step 5: Solve for x
    x = 752,802.24/922.38
  6. Step 6: Final answer
    x = 816.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.