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Finding the Fourth Proportional to 358,061.52, 494,126.69 and 196,926.87

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Solution

The fourth proportional to 358,061.52, 494,126.69 and 196,926.87 is: 271,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,061.52 : 494,126.69 = 196,926.87 : x
  2. Step 2: Convert to fraction form
    358,061.52/494,126.69 = 196,926.87/x
  3. Step 3: Cross multiply
    358,061.52x = 494,126.69 × 196,926.87
  4. Step 4: Simplify right side
    358,061.52x = 97,306,821,460.53
  5. Step 5: Solve for x
    x = 97,306,821,460.53/358,061.52
  6. Step 6: Final answer
    x = 271,760.06

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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.