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Finding the Fourth Proportional to 332.94, 499.35 and 89.46

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Solution

The fourth proportional to 332.94, 499.35 and 89.46 is: 134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.94 : 499.35 = 89.46 : x
  2. Step 2: Convert to fraction form
    332.94/499.35 = 89.46/x
  3. Step 3: Cross multiply
    332.94x = 499.35 × 89.46
  4. Step 4: Simplify right side
    332.94x = 44,671.85
  5. Step 5: Solve for x
    x = 44,671.85/332.94
  6. Step 6: Final answer
    x = 134.17

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Why These Related Problems?

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