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Finding the Fourth Proportional to 609,290.62, 840,868.40 and 337,383.82

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Solution

The fourth proportional to 609,290.62, 840,868.40 and 337,383.82 is: 465,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,290.62 : 840,868.40 = 337,383.82 : x
  2. Step 2: Convert to fraction form
    609,290.62/840,868.40 = 337,383.82/x
  3. Step 3: Cross multiply
    609,290.62x = 840,868.40 × 337,383.82
  4. Step 4: Simplify right side
    609,290.62x = 283,695,389,125.06
  5. Step 5: Solve for x
    x = 283,695,389,125.06/609,290.62
  6. Step 6: Final answer
    x = 465,615.88

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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.