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Finding the Fourth Proportional to 1,349.32, 2,024.04 and 656.56

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Solution

The fourth proportional to 1,349.32, 2,024.04 and 656.56 is: 984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.32 : 2,024.04 = 656.56 : x
  2. Step 2: Convert to fraction form
    1,349.32/2,024.04 = 656.56/x
  3. Step 3: Cross multiply
    1,349.32x = 2,024.04 × 656.56
  4. Step 4: Simplify right side
    1,349.32x = 1,328,903.70
  5. Step 5: Solve for x
    x = 1,328,903.70/1,349.32
  6. Step 6: Final answer
    x = 984.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.