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Finding the Fourth Proportional to 603,908.70, 905,287.05 and 224,727.90

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Solution

The fourth proportional to 603,908.70, 905,287.05 and 224,727.90 is: 336,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,908.70 : 905,287.05 = 224,727.90 : x
  2. Step 2: Convert to fraction form
    603,908.70/905,287.05 = 224,727.90/x
  3. Step 3: Cross multiply
    603,908.70x = 905,287.05 × 224,727.90
  4. Step 4: Simplify right side
    603,908.70x = 203,443,257,643.70
  5. Step 5: Solve for x
    x = 203,443,257,643.70/603,908.70
  6. Step 6: Final answer
    x = 336,877.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.