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Finding the Fourth Proportional to 1,174.19, 1,761.49 and 352.52

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Solution

The fourth proportional to 1,174.19, 1,761.49 and 352.52 is: 528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.19 : 1,761.49 = 352.52 : x
  2. Step 2: Convert to fraction form
    1,174.19/1,761.49 = 352.52/x
  3. Step 3: Cross multiply
    1,174.19x = 1,761.49 × 352.52
  4. Step 4: Simplify right side
    1,174.19x = 620,952.09
  5. Step 5: Solve for x
    x = 620,952.09/1,174.19
  6. Step 6: Final answer
    x = 528.83

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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.