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Finding the Fourth Proportional to 269,707.20, 404,998.20 and 181,352.40

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Solution

The fourth proportional to 269,707.20, 404,998.20 and 181,352.40 is: 272,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,707.20 : 404,998.20 = 181,352.40 : x
  2. Step 2: Convert to fraction form
    269,707.20/404,998.20 = 181,352.40/x
  3. Step 3: Cross multiply
    269,707.20x = 404,998.20 × 181,352.40
  4. Step 4: Simplify right side
    269,707.20x = 73,447,395,565.68
  5. Step 5: Solve for x
    x = 73,447,395,565.68/269,707.20
  6. Step 6: Final answer
    x = 272,322.71

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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.