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Finding the Fourth Proportional to 534,632.10, 801,891.65 and 281,811.26

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Solution

The fourth proportional to 534,632.10, 801,891.65 and 281,811.26 is: 422,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,632.10 : 801,891.65 = 281,811.26 : x
  2. Step 2: Convert to fraction form
    534,632.10/801,891.65 = 281,811.26/x
  3. Step 3: Cross multiply
    534,632.10x = 801,891.65 × 281,811.26
  4. Step 4: Simplify right side
    534,632.10x = 225,982,092,965.05
  5. Step 5: Solve for x
    x = 225,982,092,965.05/534,632.10
  6. Step 6: Final answer
    x = 422,687.10

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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.