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Finding the Fourth Proportional to 701.02, 967.89 and 465.13

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Solution

The fourth proportional to 701.02, 967.89 and 465.13 is: 642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.02 : 967.89 = 465.13 : x
  2. Step 2: Convert to fraction form
    701.02/967.89 = 465.13/x
  3. Step 3: Cross multiply
    701.02x = 967.89 × 465.13
  4. Step 4: Simplify right side
    701.02x = 450,194.68
  5. Step 5: Solve for x
    x = 450,194.68/701.02
  6. Step 6: Final answer
    x = 642.20

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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.