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Finding the Fourth Proportional to 370,449.28, 511,222.50 and 200,683.48

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Solution

The fourth proportional to 370,449.28, 511,222.50 and 200,683.48 is: 276,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,449.28 : 511,222.50 = 200,683.48 : x
  2. Step 2: Convert to fraction form
    370,449.28/511,222.50 = 200,683.48/x
  3. Step 3: Cross multiply
    370,449.28x = 511,222.50 × 200,683.48
  4. Step 4: Simplify right side
    370,449.28x = 102,593,910,354.30
  5. Step 5: Solve for x
    x = 102,593,910,354.30/370,449.28
  6. Step 6: Final answer
    x = 276,944.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.