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Finding the Fourth Proportional to 466.87, 700.67 and 261.61

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Solution

The fourth proportional to 466.87, 700.67 and 261.61 is: 392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.87 : 700.67 = 261.61 : x
  2. Step 2: Convert to fraction form
    466.87/700.67 = 261.61/x
  3. Step 3: Cross multiply
    466.87x = 700.67 × 261.61
  4. Step 4: Simplify right side
    466.87x = 183,302.28
  5. Step 5: Solve for x
    x = 183,302.28/466.87
  6. Step 6: Final answer
    x = 392.62

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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.