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Finding the Fourth Proportional to 533,412.45, 736,121.99 and 303,964.83

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Solution

The fourth proportional to 533,412.45, 736,121.99 and 303,964.83 is: 419,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,412.45 : 736,121.99 = 303,964.83 : x
  2. Step 2: Convert to fraction form
    533,412.45/736,121.99 = 303,964.83/x
  3. Step 3: Cross multiply
    533,412.45x = 736,121.99 × 303,964.83
  4. Step 4: Simplify right side
    533,412.45x = 223,755,192,956.83
  5. Step 5: Solve for x
    x = 223,755,192,956.83/533,412.45
  6. Step 6: Final answer
    x = 419,478.76

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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.