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Finding the Fourth Proportional to 1,174.43, 1,761.51 and 444.08

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Solution

The fourth proportional to 1,174.43, 1,761.51 and 444.08 is: 666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.43 : 1,761.51 = 444.08 : x
  2. Step 2: Convert to fraction form
    1,174.43/1,761.51 = 444.08/x
  3. Step 3: Cross multiply
    1,174.43x = 1,761.51 × 444.08
  4. Step 4: Simplify right side
    1,174.43x = 782,251.36
  5. Step 5: Solve for x
    x = 782,251.36/1,174.43
  6. Step 6: Final answer
    x = 666.07

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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.