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Finding the Fourth Proportional to 1,177.52, 1,765.04 and 483.88

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Solution

The fourth proportional to 1,177.52, 1,765.04 and 483.88 is: 725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.52 : 1,765.04 = 483.88 : x
  2. Step 2: Convert to fraction form
    1,177.52/1,765.04 = 483.88/x
  3. Step 3: Cross multiply
    1,177.52x = 1,765.04 × 483.88
  4. Step 4: Simplify right side
    1,177.52x = 854,067.56
  5. Step 5: Solve for x
    x = 854,067.56/1,177.52
  6. Step 6: Final answer
    x = 725.31

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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.