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Finding the Fourth Proportional to 332.38, 458.70 and 185.02

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Solution

The fourth proportional to 332.38, 458.70 and 185.02 is: 255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.38 : 458.70 = 185.02 : x
  2. Step 2: Convert to fraction form
    332.38/458.70 = 185.02/x
  3. Step 3: Cross multiply
    332.38x = 458.70 × 185.02
  4. Step 4: Simplify right side
    332.38x = 84,868.67
  5. Step 5: Solve for x
    x = 84,868.67/332.38
  6. Step 6: Final answer
    x = 255.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.