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Finding the Fourth Proportional to 483,794.38, 725,844.66 and 217,578.16

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Solution

The fourth proportional to 483,794.38, 725,844.66 and 217,578.16 is: 326,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,794.38 : 725,844.66 = 217,578.16 : x
  2. Step 2: Convert to fraction form
    483,794.38/725,844.66 = 217,578.16/x
  3. Step 3: Cross multiply
    483,794.38x = 725,844.66 × 217,578.16
  4. Step 4: Simplify right side
    483,794.38x = 157,927,945,568.63
  5. Step 5: Solve for x
    x = 157,927,945,568.63/483,794.38
  6. Step 6: Final answer
    x = 326,436.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.