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Finding the Fourth Proportional to 342,961.96, 473,286.58 and 190,000.44

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Solution

The fourth proportional to 342,961.96, 473,286.58 and 190,000.44 is: 262,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,961.96 : 473,286.58 = 190,000.44 : x
  2. Step 2: Convert to fraction form
    342,961.96/473,286.58 = 190,000.44/x
  3. Step 3: Cross multiply
    342,961.96x = 473,286.58 × 190,000.44
  4. Step 4: Simplify right side
    342,961.96x = 89,924,658,446.10
  5. Step 5: Solve for x
    x = 89,924,658,446.10/342,961.96
  6. Step 6: Final answer
    x = 262,200.09

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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.