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Finding the Fourth Proportional to 351,613.91, 485,229.53 and 190,468.96

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Solution

The fourth proportional to 351,613.91, 485,229.53 and 190,468.96 is: 262,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,613.91 : 485,229.53 = 190,468.96 : x
  2. Step 2: Convert to fraction form
    351,613.91/485,229.53 = 190,468.96/x
  3. Step 3: Cross multiply
    351,613.91x = 485,229.53 × 190,468.96
  4. Step 4: Simplify right side
    351,613.91x = 92,421,163,203.49
  5. Step 5: Solve for x
    x = 92,421,163,203.49/351,613.91
  6. Step 6: Final answer
    x = 262,848.43

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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.