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Finding the Fourth Proportional to 1,149.54, 1,724.01 and 500.13

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Solution

The fourth proportional to 1,149.54, 1,724.01 and 500.13 is: 750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.54 : 1,724.01 = 500.13 : x
  2. Step 2: Convert to fraction form
    1,149.54/1,724.01 = 500.13/x
  3. Step 3: Cross multiply
    1,149.54x = 1,724.01 × 500.13
  4. Step 4: Simplify right side
    1,149.54x = 862,229.12
  5. Step 5: Solve for x
    x = 862,229.12/1,149.54
  6. Step 6: Final answer
    x = 750.06

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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.