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Finding the Fourth Proportional to 376,729.02, 519,891.54 and 204,650.18

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Solution

The fourth proportional to 376,729.02, 519,891.54 and 204,650.18 is: 282,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,729.02 : 519,891.54 = 204,650.18 : x
  2. Step 2: Convert to fraction form
    376,729.02/519,891.54 = 204,650.18/x
  3. Step 3: Cross multiply
    376,729.02x = 519,891.54 × 204,650.18
  4. Step 4: Simplify right side
    376,729.02x = 106,395,897,241.48
  5. Step 5: Solve for x
    x = 106,395,897,241.48/376,729.02
  6. Step 6: Final answer
    x = 282,420.23

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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.