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Finding the Fourth Proportional to 532.72, 799.11 and 301.52

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Solution

The fourth proportional to 532.72, 799.11 and 301.52 is: 452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.72 : 799.11 = 301.52 : x
  2. Step 2: Convert to fraction form
    532.72/799.11 = 301.52/x
  3. Step 3: Cross multiply
    532.72x = 799.11 × 301.52
  4. Step 4: Simplify right side
    532.72x = 240,947.65
  5. Step 5: Solve for x
    x = 240,947.65/532.72
  6. Step 6: Final answer
    x = 452.30

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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.