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Finding the Fourth Proportional to 467.94, 703.17 and 251.67

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Solution

The fourth proportional to 467.94, 703.17 and 251.67 is: 378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.94 : 703.17 = 251.67 : x
  2. Step 2: Convert to fraction form
    467.94/703.17 = 251.67/x
  3. Step 3: Cross multiply
    467.94x = 703.17 × 251.67
  4. Step 4: Simplify right side
    467.94x = 176,966.79
  5. Step 5: Solve for x
    x = 176,966.79/467.94
  6. Step 6: Final answer
    x = 378.18

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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.