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Finding the Fourth Proportional to 270,010.80, 404,578.80 and 230,644.80

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Solution

The fourth proportional to 270,010.80, 404,578.80 and 230,644.80 is: 345,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,010.80 : 404,578.80 = 230,644.80 : x
  2. Step 2: Convert to fraction form
    270,010.80/404,578.80 = 230,644.80/x
  3. Step 3: Cross multiply
    270,010.80x = 404,578.80 × 230,644.80
  4. Step 4: Simplify right side
    270,010.80x = 93,313,996,410.24
  5. Step 5: Solve for x
    x = 93,313,996,410.24/270,010.80
  6. Step 6: Final answer
    x = 345,593.57

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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.