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Finding the Fourth Proportional to 349,486.96, 482,226.96 and 196,505.32

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Solution

The fourth proportional to 349,486.96, 482,226.96 and 196,505.32 is: 271,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,486.96 : 482,226.96 = 196,505.32 : x
  2. Step 2: Convert to fraction form
    349,486.96/482,226.96 = 196,505.32/x
  3. Step 3: Cross multiply
    349,486.96x = 482,226.96 × 196,505.32
  4. Step 4: Simplify right side
    349,486.96x = 94,760,163,087.43
  5. Step 5: Solve for x
    x = 94,760,163,087.43/349,486.96
  6. Step 6: Final answer
    x = 271,140.77

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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.