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Finding the Fourth Proportional to 337.56, 505.59 and 310.92

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Solution

The fourth proportional to 337.56, 505.59 and 310.92 is: 465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.56 : 505.59 = 310.92 : x
  2. Step 2: Convert to fraction form
    337.56/505.59 = 310.92/x
  3. Step 3: Cross multiply
    337.56x = 505.59 × 310.92
  4. Step 4: Simplify right side
    337.56x = 157,198.04
  5. Step 5: Solve for x
    x = 157,198.04/337.56
  6. Step 6: Final answer
    x = 465.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.