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Finding the Fourth Proportional to 466.87, 700.30 and 142.24

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Solution

The fourth proportional to 466.87, 700.30 and 142.24 is: 213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.87 : 700.30 = 142.24 : x
  2. Step 2: Convert to fraction form
    466.87/700.30 = 142.24/x
  3. Step 3: Cross multiply
    466.87x = 700.30 × 142.24
  4. Step 4: Simplify right side
    466.87x = 99,610.67
  5. Step 5: Solve for x
    x = 99,610.67/466.87
  6. Step 6: Final answer
    x = 213.36

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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.