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Finding the Fourth Proportional to 974.27, 1,344.53 and 601.27

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Solution

The fourth proportional to 974.27, 1,344.53 and 601.27 is: 829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.27 : 1,344.53 = 601.27 : x
  2. Step 2: Convert to fraction form
    974.27/1,344.53 = 601.27/x
  3. Step 3: Cross multiply
    974.27x = 1,344.53 × 601.27
  4. Step 4: Simplify right side
    974.27x = 808,419.19
  5. Step 5: Solve for x
    x = 808,419.19/974.27
  6. Step 6: Final answer
    x = 829.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.