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Finding the Fourth Proportional to 269,073, 371,246.85 and 187,309.62

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Solution

The fourth proportional to 269,073, 371,246.85 and 187,309.62 is: 258,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,073 : 371,246.85 = 187,309.62 : x
  2. Step 2: Convert to fraction form
    269,073/371,246.85 = 187,309.62/x
  3. Step 3: Cross multiply
    269,073x = 371,246.85 × 187,309.62
  4. Step 4: Simplify right side
    269,073x = 69,538,106,399.70
  5. Step 5: Solve for x
    x = 69,538,106,399.70/269,073
  6. Step 6: Final answer
    x = 258,435.84

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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.