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Finding the Fourth Proportional to 358,157.88, 494,247.96 and 194,808.96

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Solution

The fourth proportional to 358,157.88, 494,247.96 and 194,808.96 is: 268,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,157.88 : 494,247.96 = 194,808.96 : x
  2. Step 2: Convert to fraction form
    358,157.88/494,247.96 = 194,808.96/x
  3. Step 3: Cross multiply
    358,157.88x = 494,247.96 × 194,808.96
  4. Step 4: Simplify right side
    358,157.88x = 96,283,931,069.72
  5. Step 5: Solve for x
    x = 96,283,931,069.72/358,157.88
  6. Step 6: Final answer
    x = 268,830.97

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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.