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Finding the Fourth Proportional to 295,812.60, 443,135.70 and 177,131.40

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Solution

The fourth proportional to 295,812.60, 443,135.70 and 177,131.40 is: 265,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,812.60 : 443,135.70 = 177,131.40 : x
  2. Step 2: Convert to fraction form
    295,812.60/443,135.70 = 177,131.40/x
  3. Step 3: Cross multiply
    295,812.60x = 443,135.70 × 177,131.40
  4. Step 4: Simplify right side
    295,812.60x = 78,493,246,930.98
  5. Step 5: Solve for x
    x = 78,493,246,930.98/295,812.60
  6. Step 6: Final answer
    x = 265,347.88

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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.