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Finding the Fourth Proportional to 603,492.28, 903,942.54 and 568,161.28

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Solution

The fourth proportional to 603,492.28, 903,942.54 and 568,161.28 is: 851,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,492.28 : 903,942.54 = 568,161.28 : x
  2. Step 2: Convert to fraction form
    603,492.28/903,942.54 = 568,161.28/x
  3. Step 3: Cross multiply
    603,492.28x = 903,942.54 × 568,161.28
  4. Step 4: Simplify right side
    603,492.28x = 513,585,150,572.85
  5. Step 5: Solve for x
    x = 513,585,150,572.85/603,492.28
  6. Step 6: Final answer
    x = 851,021.91

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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.