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Finding the Fourth Proportional to 524,022.37, 723,103.16 and 303,221.50

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Solution

The fourth proportional to 524,022.37, 723,103.16 and 303,221.50 is: 418,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,022.37 : 723,103.16 = 303,221.50 : x
  2. Step 2: Convert to fraction form
    524,022.37/723,103.16 = 303,221.50/x
  3. Step 3: Cross multiply
    524,022.37x = 723,103.16 × 303,221.50
  4. Step 4: Simplify right side
    524,022.37x = 219,260,419,698.32
  5. Step 5: Solve for x
    x = 219,260,419,698.32/524,022.37
  6. Step 6: Final answer
    x = 418,418.05

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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.