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Finding the Fourth Proportional to 326,443.59, 450,506.21 and 181,249.38

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Solution

The fourth proportional to 326,443.59, 450,506.21 and 181,249.38 is: 250,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,443.59 : 450,506.21 = 181,249.38 : x
  2. Step 2: Convert to fraction form
    326,443.59/450,506.21 = 181,249.38/x
  3. Step 3: Cross multiply
    326,443.59x = 450,506.21 × 181,249.38
  4. Step 4: Simplify right side
    326,443.59x = 81,653,970,342.40
  5. Step 5: Solve for x
    x = 81,653,970,342.40/326,443.59
  6. Step 6: Final answer
    x = 250,131.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.