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Finding the Fourth Proportional to 362.52, 542.97 and 316.35

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Solution

The fourth proportional to 362.52, 542.97 and 316.35 is: 473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.52 : 542.97 = 316.35 : x
  2. Step 2: Convert to fraction form
    362.52/542.97 = 316.35/x
  3. Step 3: Cross multiply
    362.52x = 542.97 × 316.35
  4. Step 4: Simplify right side
    362.52x = 171,768.56
  5. Step 5: Solve for x
    x = 171,768.56/362.52
  6. Step 6: Final answer
    x = 473.82

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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.