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Finding the Fourth Proportional to 297,392.46, 410,401.99 and 161,426.32

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Solution

The fourth proportional to 297,392.46, 410,401.99 and 161,426.32 is: 222,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,392.46 : 410,401.99 = 161,426.32 : x
  2. Step 2: Convert to fraction form
    297,392.46/410,401.99 = 161,426.32/x
  3. Step 3: Cross multiply
    297,392.46x = 410,401.99 × 161,426.32
  4. Step 4: Simplify right side
    297,392.46x = 66,249,682,142.15
  5. Step 5: Solve for x
    x = 66,249,682,142.15/297,392.46
  6. Step 6: Final answer
    x = 222,768.53

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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.