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Finding the Fourth Proportional to 609,661.58, 841,321.94 and 337,728.65

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Solution

The fourth proportional to 609,661.58, 841,321.94 and 337,728.65 is: 466,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,661.58 : 841,321.94 = 337,728.65 : x
  2. Step 2: Convert to fraction form
    609,661.58/841,321.94 = 337,728.65/x
  3. Step 3: Cross multiply
    609,661.58x = 841,321.94 × 337,728.65
  4. Step 4: Simplify right side
    609,661.58x = 284,138,517,116.33
  5. Step 5: Solve for x
    x = 284,138,517,116.33/609,661.58
  6. Step 6: Final answer
    x = 466,059.42

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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.