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Finding the Fourth Proportional to 297,401.88, 410,403.47 and 161,432.90

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Solution

The fourth proportional to 297,401.88, 410,403.47 and 161,432.90 is: 222,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,401.88 : 410,403.47 = 161,432.90 : x
  2. Step 2: Convert to fraction form
    297,401.88/410,403.47 = 161,432.90/x
  3. Step 3: Cross multiply
    297,401.88x = 410,403.47 × 161,432.90
  4. Step 4: Simplify right side
    297,401.88x = 66,252,621,525.00
  5. Step 5: Solve for x
    x = 66,252,621,525.00/297,401.88
  6. Step 6: Final answer
    x = 222,771.36

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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.