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Finding the Fourth Proportional to 501,843.97, 692,546.29 and 272,401.45

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Solution

The fourth proportional to 501,843.97, 692,546.29 and 272,401.45 is: 375,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,843.97 : 692,546.29 = 272,401.45 : x
  2. Step 2: Convert to fraction form
    501,843.97/692,546.29 = 272,401.45/x
  3. Step 3: Cross multiply
    501,843.97x = 692,546.29 × 272,401.45
  4. Step 4: Simplify right side
    501,843.97x = 188,650,611,175.75
  5. Step 5: Solve for x
    x = 188,650,611,175.75/501,843.97
  6. Step 6: Final answer
    x = 375,914.87

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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.