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Finding the Fourth Proportional to 609,325.82, 840,859.35 and 337,387.88

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Solution

The fourth proportional to 609,325.82, 840,859.35 and 337,387.88 is: 465,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,325.82 : 840,859.35 = 337,387.88 : x
  2. Step 2: Convert to fraction form
    609,325.82/840,859.35 = 337,387.88/x
  3. Step 3: Cross multiply
    609,325.82x = 840,859.35 × 337,387.88
  4. Step 4: Simplify right side
    609,325.82x = 283,695,750,535.59
  5. Step 5: Solve for x
    x = 283,695,750,535.59/609,325.82
  6. Step 6: Final answer
    x = 465,589.58

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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.