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Finding the Fourth Proportional to 609,083.90, 840,525.60 and 337,145.96

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Solution

The fourth proportional to 609,083.90, 840,525.60 and 337,145.96 is: 465,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,083.90 : 840,525.60 = 337,145.96 : x
  2. Step 2: Convert to fraction form
    609,083.90/840,525.60 = 337,145.96/x
  3. Step 3: Cross multiply
    609,083.90x = 840,525.60 × 337,145.96
  4. Step 4: Simplify right side
    609,083.90x = 283,379,806,113.95
  5. Step 5: Solve for x
    x = 283,379,806,113.95/609,083.90
  6. Step 6: Final answer
    x = 465,255.79

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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.