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Finding the Fourth Proportional to 400,227.96, 600,043.86 and 242,418.36

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Solution

The fourth proportional to 400,227.96, 600,043.86 and 242,418.36 is: 363,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,227.96 : 600,043.86 = 242,418.36 : x
  2. Step 2: Convert to fraction form
    400,227.96/600,043.86 = 242,418.36/x
  3. Step 3: Cross multiply
    400,227.96x = 600,043.86 × 242,418.36
  4. Step 4: Simplify right side
    400,227.96x = 145,461,648,469.27
  5. Step 5: Solve for x
    x = 145,461,648,469.27/400,227.96
  6. Step 6: Final answer
    x = 363,446.99

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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.