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Finding the Fourth Proportional to 216,797.36, 324,924.94 and 104,456.48

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Solution

The fourth proportional to 216,797.36, 324,924.94 and 104,456.48 is: 156,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,797.36 : 324,924.94 = 104,456.48 : x
  2. Step 2: Convert to fraction form
    216,797.36/324,924.94 = 104,456.48/x
  3. Step 3: Cross multiply
    216,797.36x = 324,924.94 × 104,456.48
  4. Step 4: Simplify right side
    216,797.36x = 33,940,515,496.61
  5. Step 5: Solve for x
    x = 33,940,515,496.61/216,797.36
  6. Step 6: Final answer
    x = 156,554.10

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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.