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Finding the Fourth Proportional to 1,026.92, 1,540.41 and 296.60

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Solution

The fourth proportional to 1,026.92, 1,540.41 and 296.60 is: 444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.92 : 1,540.41 = 296.60 : x
  2. Step 2: Convert to fraction form
    1,026.92/1,540.41 = 296.60/x
  3. Step 3: Cross multiply
    1,026.92x = 1,540.41 × 296.60
  4. Step 4: Simplify right side
    1,026.92x = 456,885.61
  5. Step 5: Solve for x
    x = 456,885.61/1,026.92
  6. Step 6: Final answer
    x = 444.91

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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.