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Finding the Fourth Proportional to 467.31, 700.98 and 133.74

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Solution

The fourth proportional to 467.31, 700.98 and 133.74 is: 200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.31 : 700.98 = 133.74 : x
  2. Step 2: Convert to fraction form
    467.31/700.98 = 133.74/x
  3. Step 3: Cross multiply
    467.31x = 700.98 × 133.74
  4. Step 4: Simplify right side
    467.31x = 93,749.07
  5. Step 5: Solve for x
    x = 93,749.07/467.31
  6. Step 6: Final answer
    x = 200.61

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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.