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Finding the Fourth Proportional to 337.62, 465.70 and 282.68

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Solution

The fourth proportional to 337.62, 465.70 and 282.68 is: 389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.62 : 465.70 = 282.68 : x
  2. Step 2: Convert to fraction form
    337.62/465.70 = 282.68/x
  3. Step 3: Cross multiply
    337.62x = 465.70 × 282.68
  4. Step 4: Simplify right side
    337.62x = 131,644.08
  5. Step 5: Solve for x
    x = 131,644.08/337.62
  6. Step 6: Final answer
    x = 389.92

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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.