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Finding the Fourth Proportional to 1,654.56, 2,283.49 and 908.59

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Solution

The fourth proportional to 1,654.56, 2,283.49 and 908.59 is: 1,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.56 : 2,283.49 = 908.59 : x
  2. Step 2: Convert to fraction form
    1,654.56/2,283.49 = 908.59/x
  3. Step 3: Cross multiply
    1,654.56x = 2,283.49 × 908.59
  4. Step 4: Simplify right side
    1,654.56x = 2,074,748.20
  5. Step 5: Solve for x
    x = 2,074,748.20/1,654.56
  6. Step 6: Final answer
    x = 1,253.95

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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.