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Finding the Fourth Proportional to 225,644.22, 338,463.74 and 54,866.90

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Solution

The fourth proportional to 225,644.22, 338,463.74 and 54,866.90 is: 82,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,644.22 : 338,463.74 = 54,866.90 : x
  2. Step 2: Convert to fraction form
    225,644.22/338,463.74 = 54,866.90/x
  3. Step 3: Cross multiply
    225,644.22x = 338,463.74 × 54,866.90
  4. Step 4: Simplify right side
    225,644.22x = 18,570,455,808.80
  5. Step 5: Solve for x
    x = 18,570,455,808.80/225,644.22
  6. Step 6: Final answer
    x = 82,299.72

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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.