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Finding the Fourth Proportional to 279,363.94, 385,603.62 and 182,581.90

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Solution

The fourth proportional to 279,363.94, 385,603.62 and 182,581.90 is: 252,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,363.94 : 385,603.62 = 182,581.90 : x
  2. Step 2: Convert to fraction form
    279,363.94/385,603.62 = 182,581.90/x
  3. Step 3: Cross multiply
    279,363.94x = 385,603.62 × 182,581.90
  4. Step 4: Simplify right side
    279,363.94x = 70,404,241,586.48
  5. Step 5: Solve for x
    x = 70,404,241,586.48/279,363.94
  6. Step 6: Final answer
    x = 252,016.21

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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.