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Finding the Fourth Proportional to 609,170.27, 840,742.94 and 350,997.77

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Solution

The fourth proportional to 609,170.27, 840,742.94 and 350,997.77 is: 484,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,170.27 : 840,742.94 = 350,997.77 : x
  2. Step 2: Convert to fraction form
    609,170.27/840,742.94 = 350,997.77/x
  3. Step 3: Cross multiply
    609,170.27x = 840,742.94 × 350,997.77
  4. Step 4: Simplify right side
    609,170.27x = 295,098,900,062.60
  5. Step 5: Solve for x
    x = 295,098,900,062.60/609,170.27
  6. Step 6: Final answer
    x = 484,427.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.