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Finding the Fourth Proportional to 532.08, 796.68 and 315.12

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Solution

The fourth proportional to 532.08, 796.68 and 315.12 is: 471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.08 : 796.68 = 315.12 : x
  2. Step 2: Convert to fraction form
    532.08/796.68 = 315.12/x
  3. Step 3: Cross multiply
    532.08x = 796.68 × 315.12
  4. Step 4: Simplify right side
    532.08x = 251,049.80
  5. Step 5: Solve for x
    x = 251,049.80/532.08
  6. Step 6: Final answer
    x = 471.83

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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.