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Finding the Fourth Proportional to 371,202.44, 512,260.80 and 201,436.61

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Solution

The fourth proportional to 371,202.44, 512,260.80 and 201,436.61 is: 277,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,202.44 : 512,260.80 = 201,436.61 : x
  2. Step 2: Convert to fraction form
    371,202.44/512,260.80 = 201,436.61/x
  3. Step 3: Cross multiply
    371,202.44x = 512,260.80 × 201,436.61
  4. Step 4: Simplify right side
    371,202.44x = 103,188,078,987.89
  5. Step 5: Solve for x
    x = 103,188,078,987.89/371,202.44
  6. Step 6: Final answer
    x = 277,983.30

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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.