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Finding the Fourth Proportional to 700,906.89, 967,250.75 and 378,616.92

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Solution

The fourth proportional to 700,906.89, 967,250.75 and 378,616.92 is: 522,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,906.89 : 967,250.75 = 378,616.92 : x
  2. Step 2: Convert to fraction form
    700,906.89/967,250.75 = 378,616.92/x
  3. Step 3: Cross multiply
    700,906.89x = 967,250.75 × 378,616.92
  4. Step 4: Simplify right side
    700,906.89x = 366,217,497,939.61
  5. Step 5: Solve for x
    x = 366,217,497,939.61/700,906.89
  6. Step 6: Final answer
    x = 522,490.94

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1.5x scale

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.