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Finding the Fourth Proportional to 343,850.86, 474,490.37 and 190,876.96

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Solution

The fourth proportional to 343,850.86, 474,490.37 and 190,876.96 is: 263,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,850.86 : 474,490.37 = 190,876.96 : x
  2. Step 2: Convert to fraction form
    343,850.86/474,490.37 = 190,876.96/x
  3. Step 3: Cross multiply
    343,850.86x = 474,490.37 × 190,876.96
  4. Step 4: Simplify right side
    343,850.86x = 90,569,279,374.88
  5. Step 5: Solve for x
    x = 90,569,279,374.88/343,850.86
  6. Step 6: Final answer
    x = 263,396.98

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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.