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Finding the Fourth Proportional to 483,519.82, 725,393.17 and 475,486.69

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Solution

The fourth proportional to 483,519.82, 725,393.17 and 475,486.69 is: 713,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,519.82 : 725,393.17 = 475,486.69 : x
  2. Step 2: Convert to fraction form
    483,519.82/725,393.17 = 475,486.69/x
  3. Step 3: Cross multiply
    483,519.82x = 725,393.17 × 475,486.69
  4. Step 4: Simplify right side
    483,519.82x = 344,914,797,351.91
  5. Step 5: Solve for x
    x = 344,914,797,351.91/483,519.82
  6. Step 6: Final answer
    x = 713,341.59

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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.