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Finding the Fourth Proportional to 800,361.92, 1,104,458.22 and 437,715.20

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Solution

The fourth proportional to 800,361.92, 1,104,458.22 and 437,715.20 is: 604,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,361.92 : 1,104,458.22 = 437,715.20 : x
  2. Step 2: Convert to fraction form
    800,361.92/1,104,458.22 = 437,715.20/x
  3. Step 3: Cross multiply
    800,361.92x = 1,104,458.22 × 437,715.20
  4. Step 4: Simplify right side
    800,361.92x = 483,438,150,658.94
  5. Step 5: Solve for x
    x = 483,438,150,658.94/800,361.92
  6. Step 6: Final answer
    x = 604,024.43

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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.