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Finding the Fourth Proportional to 225,028.60, 337,629.30 and 221,486.20

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Solution

The fourth proportional to 225,028.60, 337,629.30 and 221,486.20 is: 332,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,028.60 : 337,629.30 = 221,486.20 : x
  2. Step 2: Convert to fraction form
    225,028.60/337,629.30 = 221,486.20/x
  3. Step 3: Cross multiply
    225,028.60x = 337,629.30 × 221,486.20
  4. Step 4: Simplify right side
    225,028.60x = 74,780,230,665.66
  5. Step 5: Solve for x
    x = 74,780,230,665.66/225,028.60
  6. Step 6: Final answer
    x = 332,314.34

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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.