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Finding the Fourth Proportional to 332.94, 500.13 and 272.22

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Solution

The fourth proportional to 332.94, 500.13 and 272.22 is: 408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.94 : 500.13 = 272.22 : x
  2. Step 2: Convert to fraction form
    332.94/500.13 = 272.22/x
  3. Step 3: Cross multiply
    332.94x = 500.13 × 272.22
  4. Step 4: Simplify right side
    332.94x = 136,145.39
  5. Step 5: Solve for x
    x = 136,145.39/332.94
  6. Step 6: Final answer
    x = 408.92

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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.