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Finding the Fourth Proportional to 343,753.38, 474,377.94 and 190,793.40

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Solution

The fourth proportional to 343,753.38, 474,377.94 and 190,793.40 is: 263,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,753.38 : 474,377.94 = 190,793.40 : x
  2. Step 2: Convert to fraction form
    343,753.38/474,377.94 = 190,793.40/x
  3. Step 3: Cross multiply
    343,753.38x = 474,377.94 × 190,793.40
  4. Step 4: Simplify right side
    343,753.38x = 90,508,180,057.60
  5. Step 5: Solve for x
    x = 90,508,180,057.60/343,753.38
  6. Step 6: Final answer
    x = 263,293.93

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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.