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Finding the Fourth Proportional to 376,753.12, 519,618.61 and 247,824.01

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Solution

The fourth proportional to 376,753.12, 519,618.61 and 247,824.01 is: 341,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,753.12 : 519,618.61 = 247,824.01 : x
  2. Step 2: Convert to fraction form
    376,753.12/519,618.61 = 247,824.01/x
  3. Step 3: Cross multiply
    376,753.12x = 519,618.61 × 247,824.01
  4. Step 4: Simplify right side
    376,753.12x = 128,773,967,600.83
  5. Step 5: Solve for x
    x = 128,773,967,600.83/376,753.12
  6. Step 6: Final answer
    x = 341,799.34

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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.