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Finding the Fourth Proportional to 326,494.13, 450,590.21 and 181,327.92

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Solution

The fourth proportional to 326,494.13, 450,590.21 and 181,327.92 is: 250,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,494.13 : 450,590.21 = 181,327.92 : x
  2. Step 2: Convert to fraction form
    326,494.13/450,590.21 = 181,327.92/x
  3. Step 3: Cross multiply
    326,494.13x = 450,590.21 × 181,327.92
  4. Step 4: Simplify right side
    326,494.13x = 81,704,583,635.29
  5. Step 5: Solve for x
    x = 81,704,583,635.29/326,494.13
  6. Step 6: Final answer
    x = 250,248.25

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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.