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Finding the Fourth Proportional to 394,447.10, 591,670.65 and 244,200.20

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Solution

The fourth proportional to 394,447.10, 591,670.65 and 244,200.20 is: 366,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,447.10 : 591,670.65 = 244,200.20 : x
  2. Step 2: Convert to fraction form
    394,447.10/591,670.65 = 244,200.20/x
  3. Step 3: Cross multiply
    394,447.10x = 591,670.65 × 244,200.20
  4. Step 4: Simplify right side
    394,447.10x = 144,486,091,064.13
  5. Step 5: Solve for x
    x = 144,486,091,064.13/394,447.10
  6. Step 6: Final answer
    x = 366,300.30

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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.