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Finding the Fourth Proportional to 349,520.70, 482,333.96 and 196,558.84

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Solution

The fourth proportional to 349,520.70, 482,333.96 and 196,558.84 is: 271,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,520.70 : 482,333.96 = 196,558.84 : x
  2. Step 2: Convert to fraction form
    349,520.70/482,333.96 = 196,558.84/x
  3. Step 3: Cross multiply
    349,520.70x = 482,333.96 × 196,558.84
  4. Step 4: Simplify right side
    349,520.70x = 94,807,003,670.21
  5. Step 5: Solve for x
    x = 94,807,003,670.21/349,520.70
  6. Step 6: Final answer
    x = 271,248.61

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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.