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Finding the Fourth Proportional to 332.57, 498.79 and 89.11

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Solution

The fourth proportional to 332.57, 498.79 and 89.11 is: 133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.57 : 498.79 = 89.11 : x
  2. Step 2: Convert to fraction form
    332.57/498.79 = 89.11/x
  3. Step 3: Cross multiply
    332.57x = 498.79 × 89.11
  4. Step 4: Simplify right side
    332.57x = 44,444.24
  5. Step 5: Solve for x
    x = 44,444.24/332.57
  6. Step 6: Final answer
    x = 133.64

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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.