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Finding the Fourth Proportional to 269,530.40, 404,295.60 and 169,803.20

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Solution

The fourth proportional to 269,530.40, 404,295.60 and 169,803.20 is: 254,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,530.40 : 404,295.60 = 169,803.20 : x
  2. Step 2: Convert to fraction form
    269,530.40/404,295.60 = 169,803.20/x
  3. Step 3: Cross multiply
    269,530.40x = 404,295.60 × 169,803.20
  4. Step 4: Simplify right side
    269,530.40x = 68,650,686,625.92
  5. Step 5: Solve for x
    x = 68,650,686,625.92/269,530.40
  6. Step 6: Final answer
    x = 254,704.80

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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.