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Finding the Fourth Proportional to 327,657.60, 490,543.56 and 293,466.96

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Solution

The fourth proportional to 327,657.60, 490,543.56 and 293,466.96 is: 439,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,657.60 : 490,543.56 = 293,466.96 : x
  2. Step 2: Convert to fraction form
    327,657.60/490,543.56 = 293,466.96/x
  3. Step 3: Cross multiply
    327,657.60x = 490,543.56 × 293,466.96
  4. Step 4: Simplify right side
    327,657.60x = 143,958,327,300.78
  5. Step 5: Solve for x
    x = 143,958,327,300.78/327,657.60
  6. Step 6: Final answer
    x = 439,355.98

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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.