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Finding the Fourth Proportional to 502.62, 754.06 and 178

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Solution

The fourth proportional to 502.62, 754.06 and 178 is: 267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.62 : 754.06 = 178 : x
  2. Step 2: Convert to fraction form
    502.62/754.06 = 178/x
  3. Step 3: Cross multiply
    502.62x = 754.06 × 178
  4. Step 4: Simplify right side
    502.62x = 134,222.68
  5. Step 5: Solve for x
    x = 134,222.68/502.62
  6. Step 6: Final answer
    x = 267.05

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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.