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Finding the Fourth Proportional to 541,092.78, 810,266.12 and 324,816.92

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Solution

The fourth proportional to 541,092.78, 810,266.12 and 324,816.92 is: 486,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,092.78 : 810,266.12 = 324,816.92 : x
  2. Step 2: Convert to fraction form
    541,092.78/810,266.12 = 324,816.92/x
  3. Step 3: Cross multiply
    541,092.78x = 810,266.12 × 324,816.92
  4. Step 4: Simplify right side
    541,092.78x = 263,188,145,478.75
  5. Step 5: Solve for x
    x = 263,188,145,478.75/541,092.78
  6. Step 6: Final answer
    x = 486,401.14

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1.5x scale

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.