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Finding the Fourth Proportional to 288,589.60, 397,995.78 and 181,169.62

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Solution

The fourth proportional to 288,589.60, 397,995.78 and 181,169.62 is: 249,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,589.60 : 397,995.78 = 181,169.62 : x
  2. Step 2: Convert to fraction form
    288,589.60/397,995.78 = 181,169.62/x
  3. Step 3: Cross multiply
    288,589.60x = 397,995.78 × 181,169.62
  4. Step 4: Simplify right side
    288,589.60x = 72,104,744,224.20
  5. Step 5: Solve for x
    x = 72,104,744,224.20/288,589.60
  6. Step 6: Final answer
    x = 249,852.19

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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.