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Finding the Fourth Proportional to 269,563.20, 403,907.40 and 169,544.40

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Solution

The fourth proportional to 269,563.20, 403,907.40 and 169,544.40 is: 254,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,563.20 : 403,907.40 = 169,544.40 : x
  2. Step 2: Convert to fraction form
    269,563.20/403,907.40 = 169,544.40/x
  3. Step 3: Cross multiply
    269,563.20x = 403,907.40 × 169,544.40
  4. Step 4: Simplify right side
    269,563.20x = 68,480,237,788.56
  5. Step 5: Solve for x
    x = 68,480,237,788.56/269,563.20
  6. Step 6: Final answer
    x = 254,041.49

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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.