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Finding the Fourth Proportional to 483,555.83, 667,125.82 and 299,710.33

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Solution

The fourth proportional to 483,555.83, 667,125.82 and 299,710.33 is: 413,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,555.83 : 667,125.82 = 299,710.33 : x
  2. Step 2: Convert to fraction form
    483,555.83/667,125.82 = 299,710.33/x
  3. Step 3: Cross multiply
    483,555.83x = 667,125.82 × 299,710.33
  4. Step 4: Simplify right side
    483,555.83x = 199,944,498,370.54
  5. Step 5: Solve for x
    x = 199,944,498,370.54/483,555.83
  6. Step 6: Final answer
    x = 413,487.93

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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.