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Finding the Fourth Proportional to 749.34, 1,124.00 and 634.52

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Solution

The fourth proportional to 749.34, 1,124.00 and 634.52 is: 951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.34 : 1,124.00 = 634.52 : x
  2. Step 2: Convert to fraction form
    749.34/1,124.00 = 634.52/x
  3. Step 3: Cross multiply
    749.34x = 1,124.00 × 634.52
  4. Step 4: Simplify right side
    749.34x = 713,191.69
  5. Step 5: Solve for x
    x = 713,191.69/749.34
  6. Step 6: Final answer
    x = 951.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.