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Finding the Fourth Proportional to 334.99, 502.51 and 118.59

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Solution

The fourth proportional to 334.99, 502.51 and 118.59 is: 177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.99 : 502.51 = 118.59 : x
  2. Step 2: Convert to fraction form
    334.99/502.51 = 118.59/x
  3. Step 3: Cross multiply
    334.99x = 502.51 × 118.59
  4. Step 4: Simplify right side
    334.99x = 59,592.66
  5. Step 5: Solve for x
    x = 59,592.66/334.99
  6. Step 6: Final answer
    x = 177.89

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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.