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Finding the Fourth Proportional to 329,793.60, 494,301.60 and 140,253.60

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Solution

The fourth proportional to 329,793.60, 494,301.60 and 140,253.60 is: 210,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,793.60 : 494,301.60 = 140,253.60 : x
  2. Step 2: Convert to fraction form
    329,793.60/494,301.60 = 140,253.60/x
  3. Step 3: Cross multiply
    329,793.60x = 494,301.60 × 140,253.60
  4. Step 4: Simplify right side
    329,793.60x = 69,327,578,885.76
  5. Step 5: Solve for x
    x = 69,327,578,885.76/329,793.60
  6. Step 6: Final answer
    x = 210,215.05

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1.5x scale

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.