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Finding the Fourth Proportional to 251,447.80, 377,171.70 and 223,891.60

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Solution

The fourth proportional to 251,447.80, 377,171.70 and 223,891.60 is: 335,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,447.80 : 377,171.70 = 223,891.60 : x
  2. Step 2: Convert to fraction form
    251,447.80/377,171.70 = 223,891.60/x
  3. Step 3: Cross multiply
    251,447.80x = 377,171.70 × 223,891.60
  4. Step 4: Simplify right side
    251,447.80x = 84,445,575,387.72
  5. Step 5: Solve for x
    x = 84,445,575,387.72/251,447.80
  6. Step 6: Final answer
    x = 335,837.40

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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.