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Finding the Fourth Proportional to 974.08, 1,461.86 and 358.37

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Solution

The fourth proportional to 974.08, 1,461.86 and 358.37 is: 537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.08 : 1,461.86 = 358.37 : x
  2. Step 2: Convert to fraction form
    974.08/1,461.86 = 358.37/x
  3. Step 3: Cross multiply
    974.08x = 1,461.86 × 358.37
  4. Step 4: Simplify right side
    974.08x = 523,884.98
  5. Step 5: Solve for x
    x = 523,884.98/974.08
  6. Step 6: Final answer
    x = 537.83

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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.