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Finding the Fourth Proportional to 225,599.60, 338,399.40 and 186,201.20

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Solution

The fourth proportional to 225,599.60, 338,399.40 and 186,201.20 is: 279,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,599.60 : 338,399.40 = 186,201.20 : x
  2. Step 2: Convert to fraction form
    225,599.60/338,399.40 = 186,201.20/x
  3. Step 3: Cross multiply
    225,599.60x = 338,399.40 × 186,201.20
  4. Step 4: Simplify right side
    225,599.60x = 63,010,374,359.28
  5. Step 5: Solve for x
    x = 63,010,374,359.28/225,599.60
  6. Step 6: Final answer
    x = 279,301.80

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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.