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Finding the Fourth Proportional to 404,737.70, 558,538.85 and 223,449.98

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Solution

The fourth proportional to 404,737.70, 558,538.85 and 223,449.98 is: 308,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,737.70 : 558,538.85 = 223,449.98 : x
  2. Step 2: Convert to fraction form
    404,737.70/558,538.85 = 223,449.98/x
  3. Step 3: Cross multiply
    404,737.70x = 558,538.85 × 223,449.98
  4. Step 4: Simplify right side
    404,737.70x = 124,805,494,861.72
  5. Step 5: Solve for x
    x = 124,805,494,861.72/404,737.70
  6. Step 6: Final answer
    x = 308,361.43

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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.