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Finding the Fourth Proportional to 262,993.30, 394,489.95 and 262,993.30

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Solution

The fourth proportional to 262,993.30, 394,489.95 and 262,993.30 is: 394,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,993.30 : 394,489.95 = 262,993.30 : x
  2. Step 2: Convert to fraction form
    262,993.30/394,489.95 = 262,993.30/x
  3. Step 3: Cross multiply
    262,993.30x = 394,489.95 × 262,993.30
  4. Step 4: Simplify right side
    262,993.30x = 103,748,213,767.34
  5. Step 5: Solve for x
    x = 103,748,213,767.34/262,993.30
  6. Step 6: Final answer
    x = 394,489.95

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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.