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Finding the Fourth Proportional to 349,385.86, 482,169.58 and 196,472.18

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Solution

The fourth proportional to 349,385.86, 482,169.58 and 196,472.18 is: 271,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,385.86 : 482,169.58 = 196,472.18 : x
  2. Step 2: Convert to fraction form
    349,385.86/482,169.58 = 196,472.18/x
  3. Step 3: Cross multiply
    349,385.86x = 482,169.58 × 196,472.18
  4. Step 4: Simplify right side
    349,385.86x = 94,732,908,512.28
  5. Step 5: Solve for x
    x = 94,732,908,512.28/349,385.86
  6. Step 6: Final answer
    x = 271,141.22

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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.