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Finding the Fourth Proportional to 295,748.60, 443,039.70 and 177,067.40

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Solution

The fourth proportional to 295,748.60, 443,039.70 and 177,067.40 is: 265,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,748.60 : 443,039.70 = 177,067.40 : x
  2. Step 2: Convert to fraction form
    295,748.60/443,039.70 = 177,067.40/x
  3. Step 3: Cross multiply
    295,748.60x = 443,039.70 × 177,067.40
  4. Step 4: Simplify right side
    295,748.60x = 78,447,887,775.78
  5. Step 5: Solve for x
    x = 78,447,887,775.78/295,748.60
  6. Step 6: Final answer
    x = 265,251.93

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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.