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Finding the Fourth Proportional to 568,151.92, 784,333.50 and 353,361.22

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Solution

The fourth proportional to 568,151.92, 784,333.50 and 353,361.22 is: 487,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,151.92 : 784,333.50 = 353,361.22 : x
  2. Step 2: Convert to fraction form
    568,151.92/784,333.50 = 353,361.22/x
  3. Step 3: Cross multiply
    568,151.92x = 784,333.50 × 353,361.22
  4. Step 4: Simplify right side
    568,151.92x = 277,153,042,446.87
  5. Step 5: Solve for x
    x = 277,153,042,446.87/568,151.92
  6. Step 6: Final answer
    x = 487,815.02

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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.