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Finding the Fourth Proportional to 269,765.88, 404,649.09 and 70,069.56

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Solution

The fourth proportional to 269,765.88, 404,649.09 and 70,069.56 is: 105,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,765.88 : 404,649.09 = 70,069.56 : x
  2. Step 2: Convert to fraction form
    269,765.88/404,649.09 = 70,069.56/x
  3. Step 3: Cross multiply
    269,765.88x = 404,649.09 × 70,069.56
  4. Step 4: Simplify right side
    269,765.88x = 28,353,583,690.70
  5. Step 5: Solve for x
    x = 28,353,583,690.70/269,765.88
  6. Step 6: Final answer
    x = 105,104.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.