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Finding the Fourth Proportional to 299,624.82, 412,947.57 and 226,853.36

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Solution

The fourth proportional to 299,624.82, 412,947.57 and 226,853.36 is: 312,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,624.82 : 412,947.57 = 226,853.36 : x
  2. Step 2: Convert to fraction form
    299,624.82/412,947.57 = 226,853.36/x
  3. Step 3: Cross multiply
    299,624.82x = 412,947.57 × 226,853.36
  4. Step 4: Simplify right side
    299,624.82x = 93,678,542,816.80
  5. Step 5: Solve for x
    x = 93,678,542,816.80/299,624.82
  6. Step 6: Final answer
    x = 312,652.81

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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.