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Finding the Fourth Proportional to 1,654.41, 2,283.10 and 908.44

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Solution

The fourth proportional to 1,654.41, 2,283.10 and 908.44 is: 1,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.41 : 2,283.10 = 908.44 : x
  2. Step 2: Convert to fraction form
    1,654.41/2,283.10 = 908.44/x
  3. Step 3: Cross multiply
    1,654.41x = 2,283.10 × 908.44
  4. Step 4: Simplify right side
    1,654.41x = 2,074,059.36
  5. Step 5: Solve for x
    x = 2,074,059.36/1,654.41
  6. Step 6: Final answer
    x = 1,253.65

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1.5x scale

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.