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Finding the Fourth Proportional to 293,840.60, 440,906.70 and 116,353.40

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Solution

The fourth proportional to 293,840.60, 440,906.70 and 116,353.40 is: 174,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,840.60 : 440,906.70 = 116,353.40 : x
  2. Step 2: Convert to fraction form
    293,840.60/440,906.70 = 116,353.40/x
  3. Step 3: Cross multiply
    293,840.60x = 440,906.70 × 116,353.40
  4. Step 4: Simplify right side
    293,840.60x = 51,300,993,627.78
  5. Step 5: Solve for x
    x = 51,300,993,627.78/293,840.60
  6. Step 6: Final answer
    x = 174,587.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.