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Finding the Fourth Proportional to 326,624.43, 450,726.48 and 181,439.62

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Solution

The fourth proportional to 326,624.43, 450,726.48 and 181,439.62 is: 250,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,624.43 : 450,726.48 = 181,439.62 : x
  2. Step 2: Convert to fraction form
    326,624.43/450,726.48 = 181,439.62/x
  3. Step 3: Cross multiply
    326,624.43x = 450,726.48 × 181,439.62
  4. Step 4: Simplify right side
    326,624.43x = 81,779,643,173.96
  5. Step 5: Solve for x
    x = 81,779,643,173.96/326,624.43
  6. Step 6: Final answer
    x = 250,378.22

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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.