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Finding the Fourth Proportional to 297,371.19, 410,372.63 and 161,405.11

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Solution

The fourth proportional to 297,371.19, 410,372.63 and 161,405.11 is: 222,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,371.19 : 410,372.63 = 161,405.11 : x
  2. Step 2: Convert to fraction form
    297,371.19/410,372.63 = 161,405.11/x
  3. Step 3: Cross multiply
    297,371.19x = 410,372.63 × 161,405.11
  4. Step 4: Simplify right side
    297,371.19x = 66,236,239,486.14
  5. Step 5: Solve for x
    x = 66,236,239,486.14/297,371.19
  6. Step 6: Final answer
    x = 222,739.26

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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.