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Finding the Fourth Proportional to 253,792.04, 380,711.56 and 83,014.73

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Solution

The fourth proportional to 253,792.04, 380,711.56 and 83,014.73 is: 124,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,792.04 : 380,711.56 = 83,014.73 : x
  2. Step 2: Convert to fraction form
    253,792.04/380,711.56 = 83,014.73/x
  3. Step 3: Cross multiply
    253,792.04x = 380,711.56 × 83,014.73
  4. Step 4: Simplify right side
    253,792.04x = 31,604,667,361.28
  5. Step 5: Solve for x
    x = 31,604,667,361.28/253,792.04
  6. Step 6: Final answer
    x = 124,529.78

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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.