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Finding the Fourth Proportional to 969.24, 1,337.58 and 549.60

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Solution

The fourth proportional to 969.24, 1,337.58 and 549.60 is: 758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.24 : 1,337.58 = 549.60 : x
  2. Step 2: Convert to fraction form
    969.24/1,337.58 = 549.60/x
  3. Step 3: Cross multiply
    969.24x = 1,337.58 × 549.60
  4. Step 4: Simplify right side
    969.24x = 735,133.97
  5. Step 5: Solve for x
    x = 735,133.97/969.24
  6. Step 6: Final answer
    x = 758.46

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