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Finding the Fourth Proportional to 467.60, 701.80 and 251.33

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Solution

The fourth proportional to 467.60, 701.80 and 251.33 is: 377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.60 : 701.80 = 251.33 : x
  2. Step 2: Convert to fraction form
    467.60/701.80 = 251.33/x
  3. Step 3: Cross multiply
    467.60x = 701.80 × 251.33
  4. Step 4: Simplify right side
    467.60x = 176,379.26
  5. Step 5: Solve for x
    x = 176,379.26/467.60
  6. Step 6: Final answer
    x = 377.21

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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.