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Finding the Fourth Proportional to 974.49, 1,461.72 and 244.08

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Solution

The fourth proportional to 974.49, 1,461.72 and 244.08 is: 366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.49 : 1,461.72 = 244.08 : x
  2. Step 2: Convert to fraction form
    974.49/1,461.72 = 244.08/x
  3. Step 3: Cross multiply
    974.49x = 1,461.72 × 244.08
  4. Step 4: Simplify right side
    974.49x = 356,776.62
  5. Step 5: Solve for x
    x = 356,776.62/974.49
  6. Step 6: Final answer
    x = 366.12

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Half scale
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Double scale
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Similar ratio
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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.