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Finding the Fourth Proportional to 349,590.61, 482,449.39 and 196,635.90

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Solution

The fourth proportional to 349,590.61, 482,449.39 and 196,635.90 is: 271,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,590.61 : 482,449.39 = 196,635.90 : x
  2. Step 2: Convert to fraction form
    349,590.61/482,449.39 = 196,635.90/x
  3. Step 3: Cross multiply
    349,590.61x = 482,449.39 × 196,635.90
  4. Step 4: Simplify right side
    349,590.61x = 94,866,869,515.51
  5. Step 5: Solve for x
    x = 94,866,869,515.51/349,590.61
  6. Step 6: Final answer
    x = 271,365.61

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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.