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Finding the Fourth Proportional to 253,007.60, 379,573.68 and 178,273.69

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Solution

The fourth proportional to 253,007.60, 379,573.68 and 178,273.69 is: 267,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,007.60 : 379,573.68 = 178,273.69 : x
  2. Step 2: Convert to fraction form
    253,007.60/379,573.68 = 178,273.69/x
  3. Step 3: Cross multiply
    253,007.60x = 379,573.68 × 178,273.69
  4. Step 4: Simplify right side
    253,007.60x = 67,668,000,560.48
  5. Step 5: Solve for x
    x = 67,668,000,560.48/253,007.60
  6. Step 6: Final answer
    x = 267,454.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.