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Finding the Fourth Proportional to 467,336, 644,818.08 and 276,357.44

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Solution

The fourth proportional to 467,336, 644,818.08 and 276,357.44 is: 381,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,336 : 644,818.08 = 276,357.44 : x
  2. Step 2: Convert to fraction form
    467,336/644,818.08 = 276,357.44/x
  3. Step 3: Cross multiply
    467,336x = 644,818.08 × 276,357.44
  4. Step 4: Simplify right side
    467,336x = 178,200,273,854.52
  5. Step 5: Solve for x
    x = 178,200,273,854.52/467,336
  6. Step 6: Final answer
    x = 381,310.82

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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.