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Finding the Fourth Proportional to 297,187.40, 410,118.60 and 169,865.72

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Solution

The fourth proportional to 297,187.40, 410,118.60 and 169,865.72 is: 234,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,187.40 : 410,118.60 = 169,865.72 : x
  2. Step 2: Convert to fraction form
    297,187.40/410,118.60 = 169,865.72/x
  3. Step 3: Cross multiply
    297,187.40x = 410,118.60 × 169,865.72
  4. Step 4: Simplify right side
    297,187.40x = 69,665,091,274.39
  5. Step 5: Solve for x
    x = 69,665,091,274.39/297,187.40
  6. Step 6: Final answer
    x = 234,414.69

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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.