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Finding the Fourth Proportional to 297,431.52, 410,458.68 and 161,466.72

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Solution

The fourth proportional to 297,431.52, 410,458.68 and 161,466.72 is: 222,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,431.52 : 410,458.68 = 161,466.72 : x
  2. Step 2: Convert to fraction form
    297,431.52/410,458.68 = 161,466.72/x
  3. Step 3: Cross multiply
    297,431.52x = 410,458.68 × 161,466.72
  4. Step 4: Simplify right side
    297,431.52x = 66,275,416,755.13
  5. Step 5: Solve for x
    x = 66,275,416,755.13/297,431.52
  6. Step 6: Final answer
    x = 222,825.80

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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.