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Finding the Fourth Proportional to 404,449.20, 606,382.20 and 227,010.60

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Solution

The fourth proportional to 404,449.20, 606,382.20 and 227,010.60 is: 340,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,449.20 : 606,382.20 = 227,010.60 : x
  2. Step 2: Convert to fraction form
    404,449.20/606,382.20 = 227,010.60/x
  3. Step 3: Cross multiply
    404,449.20x = 606,382.20 × 227,010.60
  4. Step 4: Simplify right side
    404,449.20x = 137,655,187,051.32
  5. Step 5: Solve for x
    x = 137,655,187,051.32/404,449.20
  6. Step 6: Final answer
    x = 340,352.23

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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.