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Finding the Fourth Proportional to 541,041.78, 811,035.21 and 225,588.90

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Solution

The fourth proportional to 541,041.78, 811,035.21 and 225,588.90 is: 338,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,041.78 : 811,035.21 = 225,588.90 : x
  2. Step 2: Convert to fraction form
    541,041.78/811,035.21 = 225,588.90/x
  3. Step 3: Cross multiply
    541,041.78x = 811,035.21 × 225,588.90
  4. Step 4: Simplify right side
    541,041.78x = 182,960,540,885.17
  5. Step 5: Solve for x
    x = 182,960,540,885.17/541,041.78
  6. Step 6: Final answer
    x = 338,163.42

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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.