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Finding the Fourth Proportional to 337.32, 505.97 and 118.00

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Solution

The fourth proportional to 337.32, 505.97 and 118.00 is: 176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.32 : 505.97 = 118.00 : x
  2. Step 2: Convert to fraction form
    337.32/505.97 = 118.00/x
  3. Step 3: Cross multiply
    337.32x = 505.97 × 118.00
  4. Step 4: Simplify right side
    337.32x = 59,701.34
  5. Step 5: Solve for x
    x = 59,701.34/337.32
  6. Step 6: Final answer
    x = 176.99

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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.