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Finding the Fourth Proportional to 297,396.43, 410,407.43 and 161,430.30

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Solution

The fourth proportional to 297,396.43, 410,407.43 and 161,430.30 is: 222,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,396.43 : 410,407.43 = 161,430.30 : x
  2. Step 2: Convert to fraction form
    297,396.43/410,407.43 = 161,430.30/x
  3. Step 3: Cross multiply
    297,396.43x = 410,407.43 × 161,430.30
  4. Step 4: Simplify right side
    297,396.43x = 66,252,193,739.98
  5. Step 5: Solve for x
    x = 66,252,193,739.98/297,396.43
  6. Step 6: Final answer
    x = 222,774.01

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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.