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Finding the Fourth Proportional to 534,194.40, 800,125.20 and 323,464.80

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Solution

The fourth proportional to 534,194.40, 800,125.20 and 323,464.80 is: 484,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,194.40 : 800,125.20 = 323,464.80 : x
  2. Step 2: Convert to fraction form
    534,194.40/800,125.20 = 323,464.80/x
  3. Step 3: Cross multiply
    534,194.40x = 800,125.20 × 323,464.80
  4. Step 4: Simplify right side
    534,194.40x = 258,812,337,792.96
  5. Step 5: Solve for x
    x = 258,812,337,792.96/534,194.40
  6. Step 6: Final answer
    x = 484,490.92

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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.