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Finding the Fourth Proportional to 337.48, 465.62 and 211.55

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Solution

The fourth proportional to 337.48, 465.62 and 211.55 is: 291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.48 : 465.62 = 211.55 : x
  2. Step 2: Convert to fraction form
    337.48/465.62 = 211.55/x
  3. Step 3: Cross multiply
    337.48x = 465.62 × 211.55
  4. Step 4: Simplify right side
    337.48x = 98,499.72
  5. Step 5: Solve for x
    x = 98,499.72/337.48
  6. Step 6: Final answer
    x = 291.87

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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.