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Finding the Fourth Proportional to 568,733.30, 784,871.32 and 336,359.43

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Solution

The fourth proportional to 568,733.30, 784,871.32 and 336,359.43 is: 464,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,733.30 : 784,871.32 = 336,359.43 : x
  2. Step 2: Convert to fraction form
    568,733.30/784,871.32 = 336,359.43/x
  3. Step 3: Cross multiply
    568,733.30x = 784,871.32 × 336,359.43
  4. Step 4: Simplify right side
    568,733.30x = 263,998,869,818.55
  5. Step 5: Solve for x
    x = 263,998,869,818.55/568,733.30
  6. Step 6: Final answer
    x = 464,187.47

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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.