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Finding the Fourth Proportional to 329,302.20, 493,953.30 and 92,652.60

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Solution

The fourth proportional to 329,302.20, 493,953.30 and 92,652.60 is: 138,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,302.20 : 493,953.30 = 92,652.60 : x
  2. Step 2: Convert to fraction form
    329,302.20/493,953.30 = 92,652.60/x
  3. Step 3: Cross multiply
    329,302.20x = 493,953.30 × 92,652.60
  4. Step 4: Simplify right side
    329,302.20x = 45,766,057,523.58
  5. Step 5: Solve for x
    x = 45,766,057,523.58/329,302.20
  6. Step 6: Final answer
    x = 138,978.90

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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.