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Finding the Fourth Proportional to 310,906.06, 466,371.15 and 97,819.30

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Solution

The fourth proportional to 310,906.06, 466,371.15 and 97,819.30 is: 146,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,906.06 : 466,371.15 = 97,819.30 : x
  2. Step 2: Convert to fraction form
    310,906.06/466,371.15 = 97,819.30/x
  3. Step 3: Cross multiply
    310,906.06x = 466,371.15 × 97,819.30
  4. Step 4: Simplify right side
    310,906.06x = 45,620,099,433.20
  5. Step 5: Solve for x
    x = 45,620,099,433.20/310,906.06
  6. Step 6: Final answer
    x = 146,732.74

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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.