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Finding the Fourth Proportional to 701.72, 967.86 and 465.24

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Solution

The fourth proportional to 701.72, 967.86 and 465.24 is: 641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.72 : 967.86 = 465.24 : x
  2. Step 2: Convert to fraction form
    701.72/967.86 = 465.24/x
  3. Step 3: Cross multiply
    701.72x = 967.86 × 465.24
  4. Step 4: Simplify right side
    701.72x = 450,287.19
  5. Step 5: Solve for x
    x = 450,287.19/701.72
  6. Step 6: Final answer
    x = 641.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.