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Finding the Fourth Proportional to 974.44, 1,461.66 and 325.36

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Solution

The fourth proportional to 974.44, 1,461.66 and 325.36 is: 488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.44 : 1,461.66 = 325.36 : x
  2. Step 2: Convert to fraction form
    974.44/1,461.66 = 325.36/x
  3. Step 3: Cross multiply
    974.44x = 1,461.66 × 325.36
  4. Step 4: Simplify right side
    974.44x = 475,565.70
  5. Step 5: Solve for x
    x = 475,565.70/974.44
  6. Step 6: Final answer
    x = 488.04

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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.