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Finding the Fourth Proportional to 932.31, 1,283.65 and 886.14

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Solution

The fourth proportional to 932.31, 1,283.65 and 886.14 is: 1,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.31 : 1,283.65 = 886.14 : x
  2. Step 2: Convert to fraction form
    932.31/1,283.65 = 886.14/x
  3. Step 3: Cross multiply
    932.31x = 1,283.65 × 886.14
  4. Step 4: Simplify right side
    932.31x = 1,137,491.40
  5. Step 5: Solve for x
    x = 1,137,491.40/932.31
  6. Step 6: Final answer
    x = 1,220.08

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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.