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Finding the Fourth Proportional to 532.11, 798.12 and 147.36

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Solution

The fourth proportional to 532.11, 798.12 and 147.36 is: 221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.11 : 798.12 = 147.36 : x
  2. Step 2: Convert to fraction form
    532.11/798.12 = 147.36/x
  3. Step 3: Cross multiply
    532.11x = 798.12 × 147.36
  4. Step 4: Simplify right side
    532.11x = 117,610.96
  5. Step 5: Solve for x
    x = 117,610.96/532.11
  6. Step 6: Final answer
    x = 221.03

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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.