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Finding the Fourth Proportional to 225,933.60, 338,900.40 and 57,453.60

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Solution

The fourth proportional to 225,933.60, 338,900.40 and 57,453.60 is: 86,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,933.60 : 338,900.40 = 57,453.60 : x
  2. Step 2: Convert to fraction form
    225,933.60/338,900.40 = 57,453.60/x
  3. Step 3: Cross multiply
    225,933.60x = 338,900.40 × 57,453.60
  4. Step 4: Simplify right side
    225,933.60x = 19,471,048,021.44
  5. Step 5: Solve for x
    x = 19,471,048,021.44/225,933.60
  6. Step 6: Final answer
    x = 86,180.40

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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.