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Finding the Fourth Proportional to 467.26, 700.90 and 142.62

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Solution

The fourth proportional to 467.26, 700.90 and 142.62 is: 213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.26 : 700.90 = 142.62 : x
  2. Step 2: Convert to fraction form
    467.26/700.90 = 142.62/x
  3. Step 3: Cross multiply
    467.26x = 700.90 × 142.62
  4. Step 4: Simplify right side
    467.26x = 99,962.36
  5. Step 5: Solve for x
    x = 99,962.36/467.26
  6. Step 6: Final answer
    x = 213.93

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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.