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Finding the Fourth Proportional to 700,886.54, 967,223.82 and 378,596.61

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Solution

The fourth proportional to 700,886.54, 967,223.82 and 378,596.61 is: 522,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,886.54 : 967,223.82 = 378,596.61 : x
  2. Step 2: Convert to fraction form
    700,886.54/967,223.82 = 378,596.61/x
  3. Step 3: Cross multiply
    700,886.54x = 967,223.82 × 378,596.61
  4. Step 4: Simplify right side
    700,886.54x = 366,187,659,363.25
  5. Step 5: Solve for x
    x = 366,187,659,363.25/700,886.54
  6. Step 6: Final answer
    x = 522,463.54

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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.