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Finding the Fourth Proportional to 568,091.09, 784,249.77 and 353,300.36

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Solution

The fourth proportional to 568,091.09, 784,249.77 and 353,300.36 is: 487,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,091.09 : 784,249.77 = 353,300.36 : x
  2. Step 2: Convert to fraction form
    568,091.09/784,249.77 = 353,300.36/x
  3. Step 3: Cross multiply
    568,091.09x = 784,249.77 × 353,300.36
  4. Step 4: Simplify right side
    568,091.09x = 277,075,722,149.67
  5. Step 5: Solve for x
    x = 277,075,722,149.67/568,091.09
  6. Step 6: Final answer
    x = 487,731.16

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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.