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Finding the Fourth Proportional to 534,388.52, 801,563.34 and 160,401.80

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Solution

The fourth proportional to 534,388.52, 801,563.34 and 160,401.80 is: 240,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,388.52 : 801,563.34 = 160,401.80 : x
  2. Step 2: Convert to fraction form
    534,388.52/801,563.34 = 160,401.80/x
  3. Step 3: Cross multiply
    534,388.52x = 801,563.34 × 160,401.80
  4. Step 4: Simplify right side
    534,388.52x = 128,572,202,550.01
  5. Step 5: Solve for x
    x = 128,572,202,550.01/534,388.52
  6. Step 6: Final answer
    x = 240,596.86

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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.