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Finding the Fourth Proportional to 974.58, 1,461.84 and 244.20

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Solution

The fourth proportional to 974.58, 1,461.84 and 244.20 is: 366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.58 : 1,461.84 = 244.20 : x
  2. Step 2: Convert to fraction form
    974.58/1,461.84 = 244.20/x
  3. Step 3: Cross multiply
    974.58x = 1,461.84 × 244.20
  4. Step 4: Simplify right side
    974.58x = 356,981.33
  5. Step 5: Solve for x
    x = 356,981.33/974.58
  6. Step 6: Final answer
    x = 366.29

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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.