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Finding the Fourth Proportional to 297,370.95, 410,372.28 and 161,404.95

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Solution

The fourth proportional to 297,370.95, 410,372.28 and 161,404.95 is: 222,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,370.95 : 410,372.28 = 161,404.95 : x
  2. Step 2: Convert to fraction form
    297,370.95/410,372.28 = 161,404.95/x
  3. Step 3: Cross multiply
    297,370.95x = 410,372.28 × 161,404.95
  4. Step 4: Simplify right side
    297,370.95x = 66,236,114,475.90
  5. Step 5: Solve for x
    x = 66,236,114,475.90/297,370.95
  6. Step 6: Final answer
    x = 222,739.02

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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.