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Finding the Fourth Proportional to 974.44, 1,461.72 and 244.02

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Solution

The fourth proportional to 974.44, 1,461.72 and 244.02 is: 366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.44 : 1,461.72 = 244.02 : x
  2. Step 2: Convert to fraction form
    974.44/1,461.72 = 244.02/x
  3. Step 3: Cross multiply
    974.44x = 1,461.72 × 244.02
  4. Step 4: Simplify right side
    974.44x = 356,688.91
  5. Step 5: Solve for x
    x = 356,688.91/974.44
  6. Step 6: Final answer
    x = 366.05

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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.