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Finding the Fourth Proportional to 568,346.07, 784,298.04 and 338,784.98

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Solution

The fourth proportional to 568,346.07, 784,298.04 and 338,784.98 is: 467,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,346.07 : 784,298.04 = 338,784.98 : x
  2. Step 2: Convert to fraction form
    568,346.07/784,298.04 = 338,784.98/x
  3. Step 3: Cross multiply
    568,346.07x = 784,298.04 × 338,784.98
  4. Step 4: Simplify right side
    568,346.07x = 265,708,396,920.85
  5. Step 5: Solve for x
    x = 265,708,396,920.85/568,346.07
  6. Step 6: Final answer
    x = 467,511.63

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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.