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Finding the Fourth Proportional to 394,450.20, 591,675.30 and 394,450.20

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Solution

The fourth proportional to 394,450.20, 591,675.30 and 394,450.20 is: 591,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,450.20 : 591,675.30 = 394,450.20 : x
  2. Step 2: Convert to fraction form
    394,450.20/591,675.30 = 394,450.20/x
  3. Step 3: Cross multiply
    394,450.20x = 591,675.30 × 394,450.20
  4. Step 4: Simplify right side
    394,450.20x = 233,386,440,420.06
  5. Step 5: Solve for x
    x = 233,386,440,420.06/394,450.20
  6. Step 6: Final answer
    x = 591,675.30

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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.