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Finding the Fourth Proportional to 568,052.08, 783,815.53 and 338,605.25

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Solution

The fourth proportional to 568,052.08, 783,815.53 and 338,605.25 is: 467,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,052.08 : 783,815.53 = 338,605.25 : x
  2. Step 2: Convert to fraction form
    568,052.08/783,815.53 = 338,605.25/x
  3. Step 3: Cross multiply
    568,052.08x = 783,815.53 × 338,605.25
  4. Step 4: Simplify right side
    568,052.08x = 265,404,055,872.33
  5. Step 5: Solve for x
    x = 265,404,055,872.33/568,052.08
  6. Step 6: Final answer
    x = 467,217.82

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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.