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Finding the Fourth Proportional to 358,162.62, 494,277.03 and 197,029.86

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Solution

The fourth proportional to 358,162.62, 494,277.03 and 197,029.86 is: 271,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,162.62 : 494,277.03 = 197,029.86 : x
  2. Step 2: Convert to fraction form
    358,162.62/494,277.03 = 197,029.86/x
  3. Step 3: Cross multiply
    358,162.62x = 494,277.03 × 197,029.86
  4. Step 4: Simplify right side
    358,162.62x = 97,387,334,022.12
  5. Step 5: Solve for x
    x = 97,387,334,022.12/358,162.62
  6. Step 6: Final answer
    x = 271,908.15

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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.