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Finding the Fourth Proportional to 394,448.20, 591,672.30 and 244,857.40

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Solution

The fourth proportional to 394,448.20, 591,672.30 and 244,857.40 is: 367,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,448.20 : 591,672.30 = 244,857.40 : x
  2. Step 2: Convert to fraction form
    394,448.20/591,672.30 = 244,857.40/x
  3. Step 3: Cross multiply
    394,448.20x = 591,672.30 × 244,857.40
  4. Step 4: Simplify right side
    394,448.20x = 144,875,341,030.02
  5. Step 5: Solve for x
    x = 144,875,341,030.02/394,448.20
  6. Step 6: Final answer
    x = 367,286.10

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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.