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Finding the Fourth Proportional to 394,247.05, 544,061.14 and 212,958.98

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Solution

The fourth proportional to 394,247.05, 544,061.14 and 212,958.98 is: 293,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,247.05 : 544,061.14 = 212,958.98 : x
  2. Step 2: Convert to fraction form
    394,247.05/544,061.14 = 212,958.98/x
  3. Step 3: Cross multiply
    394,247.05x = 544,061.14 × 212,958.98
  4. Step 4: Simplify right side
    394,247.05x = 115,862,702,179.33
  5. Step 5: Solve for x
    x = 115,862,702,179.33/394,247.05
  6. Step 6: Final answer
    x = 293,883.50

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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.