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Finding the Fourth Proportional to 376,335.34, 519,773.78 and 247,848.17

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Solution

The fourth proportional to 376,335.34, 519,773.78 and 247,848.17 is: 342,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,335.34 : 519,773.78 = 247,848.17 : x
  2. Step 2: Convert to fraction form
    376,335.34/519,773.78 = 247,848.17/x
  3. Step 3: Cross multiply
    376,335.34x = 519,773.78 × 247,848.17
  4. Step 4: Simplify right side
    376,335.34x = 128,824,978,207.73
  5. Step 5: Solve for x
    x = 128,824,978,207.73/376,335.34
  6. Step 6: Final answer
    x = 342,314.33

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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.