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Finding the Fourth Proportional to 1,198.27, 1,797.30 and 332.50

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Solution

The fourth proportional to 1,198.27, 1,797.30 and 332.50 is: 498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.27 : 1,797.30 = 332.50 : x
  2. Step 2: Convert to fraction form
    1,198.27/1,797.30 = 332.50/x
  3. Step 3: Cross multiply
    1,198.27x = 1,797.30 × 332.50
  4. Step 4: Simplify right side
    1,198.27x = 597,602.25
  5. Step 5: Solve for x
    x = 597,602.25/1,198.27
  6. Step 6: Final answer
    x = 498.72

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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.