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Finding the Fourth Proportional to 524,022.75, 723,103.67 and 303,221.87

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Solution

The fourth proportional to 524,022.75, 723,103.67 and 303,221.87 is: 418,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,022.75 : 723,103.67 = 303,221.87 : x
  2. Step 2: Convert to fraction form
    524,022.75/723,103.67 = 303,221.87/x
  3. Step 3: Cross multiply
    524,022.75x = 723,103.67 × 303,221.87
  4. Step 4: Simplify right side
    524,022.75x = 219,260,847,021.26
  5. Step 5: Solve for x
    x = 219,260,847,021.26/524,022.75
  6. Step 6: Final answer
    x = 418,418.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.