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Finding the Fourth Proportional to 269,467.70, 403,764.15 and 169,448.90

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Solution

The fourth proportional to 269,467.70, 403,764.15 and 169,448.90 is: 253,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,467.70 : 403,764.15 = 169,448.90 : x
  2. Step 2: Convert to fraction form
    269,467.70/403,764.15 = 169,448.90/x
  3. Step 3: Cross multiply
    269,467.70x = 403,764.15 × 169,448.90
  4. Step 4: Simplify right side
    269,467.70x = 68,417,391,076.94
  5. Step 5: Solve for x
    x = 68,417,391,076.94/269,467.70
  6. Step 6: Final answer
    x = 253,898.30

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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.