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Finding the Fourth Proportional to 568,488.04, 784,508.43 and 313,833.76

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Solution

The fourth proportional to 568,488.04, 784,508.43 and 313,833.76 is: 433,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,488.04 : 784,508.43 = 313,833.76 : x
  2. Step 2: Convert to fraction form
    568,488.04/784,508.43 = 313,833.76/x
  3. Step 3: Cross multiply
    568,488.04x = 784,508.43 × 313,833.76
  4. Step 4: Simplify right side
    568,488.04x = 246,205,230,338.60
  5. Step 5: Solve for x
    x = 246,205,230,338.60/568,488.04
  6. Step 6: Final answer
    x = 433,087.79

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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.