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Finding the Fourth Proportional to 220,765.64, 332,623.52 and 199,732.37

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Solution

The fourth proportional to 220,765.64, 332,623.52 and 199,732.37 is: 300,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765.64 : 332,623.52 = 199,732.37 : x
  2. Step 2: Convert to fraction form
    220,765.64/332,623.52 = 199,732.37/x
  3. Step 3: Cross multiply
    220,765.64x = 332,623.52 × 199,732.37
  4. Step 4: Simplify right side
    220,765.64x = 66,435,683,967.34
  5. Step 5: Solve for x
    x = 66,435,683,967.34/220,765.64
  6. Step 6: Final answer
    x = 300,933.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.