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Finding the Fourth Proportional to 499.48, 749 and 294.46

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Solution

The fourth proportional to 499.48, 749 and 294.46 is: 441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.48 : 749 = 294.46 : x
  2. Step 2: Convert to fraction form
    499.48/749 = 294.46/x
  3. Step 3: Cross multiply
    499.48x = 749 × 294.46
  4. Step 4: Simplify right side
    499.48x = 220,550.54
  5. Step 5: Solve for x
    x = 220,550.54/499.48
  6. Step 6: Final answer
    x = 441.56

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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.