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Finding the Fourth Proportional to 370,027.48, 510,639.42 and 200,261.56

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Solution

The fourth proportional to 370,027.48, 510,639.42 and 200,261.56 is: 276,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,027.48 : 510,639.42 = 200,261.56 : x
  2. Step 2: Convert to fraction form
    370,027.48/510,639.42 = 200,261.56/x
  3. Step 3: Cross multiply
    370,027.48x = 510,639.42 × 200,261.56
  4. Step 4: Simplify right side
    370,027.48x = 102,261,446,846.70
  5. Step 5: Solve for x
    x = 102,261,446,846.70/370,027.48
  6. Step 6: Final answer
    x = 276,361.76

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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.