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Finding the Fourth Proportional to 225,533.70, 338,300.55 and 201,039.30

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Solution

The fourth proportional to 225,533.70, 338,300.55 and 201,039.30 is: 301,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,533.70 : 338,300.55 = 201,039.30 : x
  2. Step 2: Convert to fraction form
    225,533.70/338,300.55 = 201,039.30/x
  3. Step 3: Cross multiply
    225,533.70x = 338,300.55 × 201,039.30
  4. Step 4: Simplify right side
    225,533.70x = 68,011,705,761.62
  5. Step 5: Solve for x
    x = 68,011,705,761.62/225,533.70
  6. Step 6: Final answer
    x = 301,558.95

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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.