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Finding the Fourth Proportional to 467.43, 701.15 and 210.63

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Solution

The fourth proportional to 467.43, 701.15 and 210.63 is: 315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.43 : 701.15 = 210.63 : x
  2. Step 2: Convert to fraction form
    467.43/701.15 = 210.63/x
  3. Step 3: Cross multiply
    467.43x = 701.15 × 210.63
  4. Step 4: Simplify right side
    467.43x = 147,683.22
  5. Step 5: Solve for x
    x = 147,683.22/467.43
  6. Step 6: Final answer
    x = 315.95

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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.