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Finding the Fourth Proportional to 468.32, 701.76 and 251.68

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Solution

The fourth proportional to 468.32, 701.76 and 251.68 is: 377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.32 : 701.76 = 251.68 : x
  2. Step 2: Convert to fraction form
    468.32/701.76 = 251.68/x
  3. Step 3: Cross multiply
    468.32x = 701.76 × 251.68
  4. Step 4: Simplify right side
    468.32x = 176,618.96
  5. Step 5: Solve for x
    x = 176,618.96/468.32
  6. Step 6: Final answer
    x = 377.13

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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.