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Finding the Fourth Proportional to 297,363.70, 410,350.91 and 161,394.73

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Solution

The fourth proportional to 297,363.70, 410,350.91 and 161,394.73 is: 222,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,363.70 : 410,350.91 = 161,394.73 : x
  2. Step 2: Convert to fraction form
    297,363.70/410,350.91 = 161,394.73/x
  3. Step 3: Cross multiply
    297,363.70x = 410,350.91 × 161,394.73
  4. Step 4: Simplify right side
    297,363.70x = 66,228,473,075.11
  5. Step 5: Solve for x
    x = 66,228,473,075.11/297,363.70
  6. Step 6: Final answer
    x = 222,718.76

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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.