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Finding the Fourth Proportional to 347,014.43, 478,876.61 and 194,050.87

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Solution

The fourth proportional to 347,014.43, 478,876.61 and 194,050.87 is: 267,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,014.43 : 478,876.61 = 194,050.87 : x
  2. Step 2: Convert to fraction form
    347,014.43/478,876.61 = 194,050.87/x
  3. Step 3: Cross multiply
    347,014.43x = 478,876.61 × 194,050.87
  4. Step 4: Simplify right side
    347,014.43x = 92,926,422,793.15
  5. Step 5: Solve for x
    x = 92,926,422,793.15/347,014.43
  6. Step 6: Final answer
    x = 267,788.35

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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.