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Finding the Fourth Proportional to 502.62, 753.99 and 177.93

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Solution

The fourth proportional to 502.62, 753.99 and 177.93 is: 266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.62 : 753.99 = 177.93 : x
  2. Step 2: Convert to fraction form
    502.62/753.99 = 177.93/x
  3. Step 3: Cross multiply
    502.62x = 753.99 × 177.93
  4. Step 4: Simplify right side
    502.62x = 134,157.44
  5. Step 5: Solve for x
    x = 134,157.44/502.62
  6. Step 6: Final answer
    x = 266.92

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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.