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Finding the Fourth Proportional to 1,329.68, 1,833.39 and 910.24

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Solution

The fourth proportional to 1,329.68, 1,833.39 and 910.24 is: 1,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.68 : 1,833.39 = 910.24 : x
  2. Step 2: Convert to fraction form
    1,329.68/1,833.39 = 910.24/x
  3. Step 3: Cross multiply
    1,329.68x = 1,833.39 × 910.24
  4. Step 4: Simplify right side
    1,329.68x = 1,668,824.91
  5. Step 5: Solve for x
    x = 1,668,824.91/1,329.68
  6. Step 6: Final answer
    x = 1,255.06

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