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Finding the Fourth Proportional to 337.48, 505.98 and 117.96

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Solution

The fourth proportional to 337.48, 505.98 and 117.96 is: 176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.48 : 505.98 = 117.96 : x
  2. Step 2: Convert to fraction form
    337.48/505.98 = 117.96/x
  3. Step 3: Cross multiply
    337.48x = 505.98 × 117.96
  4. Step 4: Simplify right side
    337.48x = 59,685.40
  5. Step 5: Solve for x
    x = 59,685.40/337.48
  6. Step 6: Final answer
    x = 176.86

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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.