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Finding the Fourth Proportional to 225,015.60, 337,609.80 and 221,473.20

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Solution

The fourth proportional to 225,015.60, 337,609.80 and 221,473.20 is: 332,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,015.60 : 337,609.80 = 221,473.20 : x
  2. Step 2: Convert to fraction form
    225,015.60/337,609.80 = 221,473.20/x
  3. Step 3: Cross multiply
    225,015.60x = 337,609.80 × 221,473.20
  4. Step 4: Simplify right side
    225,015.60x = 74,771,522,757.36
  5. Step 5: Solve for x
    x = 74,771,522,757.36/225,015.60
  6. Step 6: Final answer
    x = 332,294.84

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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.