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Finding the Fourth Proportional to 332.79, 499.19 and 89.35

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Solution

The fourth proportional to 332.79, 499.19 and 89.35 is: 134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.79 : 499.19 = 89.35 : x
  2. Step 2: Convert to fraction form
    332.79/499.19 = 89.35/x
  3. Step 3: Cross multiply
    332.79x = 499.19 × 89.35
  4. Step 4: Simplify right side
    332.79x = 44,602.63
  5. Step 5: Solve for x
    x = 44,602.63/332.79
  6. Step 6: Final answer
    x = 134.03

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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.