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Finding the Fourth Proportional to 974.92, 1,462.35 and 244.49

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Solution

The fourth proportional to 974.92, 1,462.35 and 244.49 is: 366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.92 : 1,462.35 = 244.49 : x
  2. Step 2: Convert to fraction form
    974.92/1,462.35 = 244.49/x
  3. Step 3: Cross multiply
    974.92x = 1,462.35 × 244.49
  4. Step 4: Simplify right side
    974.92x = 357,529.95
  5. Step 5: Solve for x
    x = 357,529.95/974.92
  6. Step 6: Final answer
    x = 366.73

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Half scale
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Double scale
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1.5x scale

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.