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Finding the Fourth Proportional to 349,644.66, 482,552.31 and 196,689.27

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Solution

The fourth proportional to 349,644.66, 482,552.31 and 196,689.27 is: 271,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,644.66 : 482,552.31 = 196,689.27 : x
  2. Step 2: Convert to fraction form
    349,644.66/482,552.31 = 196,689.27/x
  3. Step 3: Cross multiply
    349,644.66x = 482,552.31 × 196,689.27
  4. Step 4: Simplify right side
    349,644.66x = 94,912,861,590.71
  5. Step 5: Solve for x
    x = 94,912,861,590.71/349,644.66
  6. Step 6: Final answer
    x = 271,455.20

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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.