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Finding the Fourth Proportional to 358,098, 494,179.29 and 196,955.70

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Solution

The fourth proportional to 358,098, 494,179.29 and 196,955.70 is: 271,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,098 : 494,179.29 = 196,955.70 : x
  2. Step 2: Convert to fraction form
    358,098/494,179.29 = 196,955.70/x
  3. Step 3: Cross multiply
    358,098x = 494,179.29 × 196,955.70
  4. Step 4: Simplify right side
    358,098x = 97,331,427,987.45
  5. Step 5: Solve for x
    x = 97,331,427,987.45/358,098
  6. Step 6: Final answer
    x = 271,801.09

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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.