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Finding the Fourth Proportional to 701.92, 967.62 and 554.32

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Solution

The fourth proportional to 701.92, 967.62 and 554.32 is: 764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.92 : 967.62 = 554.32 : x
  2. Step 2: Convert to fraction form
    701.92/967.62 = 554.32/x
  3. Step 3: Cross multiply
    701.92x = 967.62 × 554.32
  4. Step 4: Simplify right side
    701.92x = 536,371.12
  5. Step 5: Solve for x
    x = 536,371.12/701.92
  6. Step 6: Final answer
    x = 764.15

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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.