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Finding the Fourth Proportional to 349,377.09, 482,157.48 and 196,463.43

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Solution

The fourth proportional to 349,377.09, 482,157.48 and 196,463.43 is: 271,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,377.09 : 482,157.48 = 196,463.43 : x
  2. Step 2: Convert to fraction form
    349,377.09/482,157.48 = 196,463.43/x
  3. Step 3: Cross multiply
    349,377.09x = 482,157.48 × 196,463.43
  4. Step 4: Simplify right side
    349,377.09x = 94,726,312,320.96
  5. Step 5: Solve for x
    x = 94,726,312,320.96/349,377.09
  6. Step 6: Final answer
    x = 271,129.15

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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.