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Finding the Fourth Proportional to 609,282.27, 840,840.57 and 337,380.21

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Solution

The fourth proportional to 609,282.27, 840,840.57 and 337,380.21 is: 465,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,282.27 : 840,840.57 = 337,380.21 : x
  2. Step 2: Convert to fraction form
    609,282.27/840,840.57 = 337,380.21/x
  3. Step 3: Cross multiply
    609,282.27x = 840,840.57 × 337,380.21
  4. Step 4: Simplify right side
    609,282.27x = 283,682,968,083.12
  5. Step 5: Solve for x
    x = 283,682,968,083.12/609,282.27
  6. Step 6: Final answer
    x = 465,601.88

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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.