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Finding the Fourth Proportional to 237.79, 356.23 and 176.74

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Solution

The fourth proportional to 237.79, 356.23 and 176.74 is: 264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.79 : 356.23 = 176.74 : x
  2. Step 2: Convert to fraction form
    237.79/356.23 = 176.74/x
  3. Step 3: Cross multiply
    237.79x = 356.23 × 176.74
  4. Step 4: Simplify right side
    237.79x = 62,960.09
  5. Step 5: Solve for x
    x = 62,960.09/237.79
  6. Step 6: Final answer
    x = 264.77

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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.