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Finding the Fourth Proportional to 337.16, 464.07 and 238.74

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Solution

The fourth proportional to 337.16, 464.07 and 238.74 is: 328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.16 : 464.07 = 238.74 : x
  2. Step 2: Convert to fraction form
    337.16/464.07 = 238.74/x
  3. Step 3: Cross multiply
    337.16x = 464.07 × 238.74
  4. Step 4: Simplify right side
    337.16x = 110,792.49
  5. Step 5: Solve for x
    x = 110,792.49/337.16
  6. Step 6: Final answer
    x = 328.61

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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.