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Finding the Fourth Proportional to 358,147.55, 494,246.72 and 194,805.37

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Solution

The fourth proportional to 358,147.55, 494,246.72 and 194,805.37 is: 268,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,147.55 : 494,246.72 = 194,805.37 : x
  2. Step 2: Convert to fraction form
    358,147.55/494,246.72 = 194,805.37/x
  3. Step 3: Cross multiply
    358,147.55x = 494,246.72 × 194,805.37
  4. Step 4: Simplify right side
    358,147.55x = 96,281,914,186.86
  5. Step 5: Solve for x
    x = 96,281,914,186.86/358,147.55
  6. Step 6: Final answer
    x = 268,833.09

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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.