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Finding the Fourth Proportional to 269,427.60, 404,578.80 and 151,329.60

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Solution

The fourth proportional to 269,427.60, 404,578.80 and 151,329.60 is: 227,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,427.60 : 404,578.80 = 151,329.60 : x
  2. Step 2: Convert to fraction form
    269,427.60/404,578.80 = 151,329.60/x
  3. Step 3: Cross multiply
    269,427.60x = 404,578.80 × 151,329.60
  4. Step 4: Simplify right side
    269,427.60x = 61,224,747,972.48
  5. Step 5: Solve for x
    x = 61,224,747,972.48/269,427.60
  6. Step 6: Final answer
    x = 227,240.07

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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.