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Finding the Fourth Proportional to 609,907.16, 841,676.83 and 337,979.59

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Solution

The fourth proportional to 609,907.16, 841,676.83 and 337,979.59 is: 466,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,907.16 : 841,676.83 = 337,979.59 : x
  2. Step 2: Convert to fraction form
    609,907.16/841,676.83 = 337,979.59/x
  3. Step 3: Cross multiply
    609,907.16x = 841,676.83 × 337,979.59
  4. Step 4: Simplify right side
    609,907.16x = 284,469,586,966.76
  5. Step 5: Solve for x
    x = 284,469,586,966.76/609,907.16
  6. Step 6: Final answer
    x = 466,414.57

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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.