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Finding the Fourth Proportional to 337.04, 467.42 and 315.92

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Solution

The fourth proportional to 337.04, 467.42 and 315.92 is: 438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.04 : 467.42 = 315.92 : x
  2. Step 2: Convert to fraction form
    337.04/467.42 = 315.92/x
  3. Step 3: Cross multiply
    337.04x = 467.42 × 315.92
  4. Step 4: Simplify right side
    337.04x = 147,667.33
  5. Step 5: Solve for x
    x = 147,667.33/337.04
  6. Step 6: Final answer
    x = 438.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.