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Finding the Fourth Proportional to 609,757.42, 841,442.89 and 351,645.25

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Solution

The fourth proportional to 609,757.42, 841,442.89 and 351,645.25 is: 485,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,757.42 : 841,442.89 = 351,645.25 : x
  2. Step 2: Convert to fraction form
    609,757.42/841,442.89 = 351,645.25/x
  3. Step 3: Cross multiply
    609,757.42x = 841,442.89 × 351,645.25
  4. Step 4: Simplify right side
    609,757.42x = 295,889,395,414.77
  5. Step 5: Solve for x
    x = 295,889,395,414.77/609,757.42
  6. Step 6: Final answer
    x = 485,257.56

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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.