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Finding the Fourth Proportional to 295,763.60, 443,062.20 and 177,082.40

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Solution

The fourth proportional to 295,763.60, 443,062.20 and 177,082.40 is: 265,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,763.60 : 443,062.20 = 177,082.40 : x
  2. Step 2: Convert to fraction form
    295,763.60/443,062.20 = 177,082.40/x
  3. Step 3: Cross multiply
    295,763.60x = 443,062.20 × 177,082.40
  4. Step 4: Simplify right side
    295,763.60x = 78,458,517,725.28
  5. Step 5: Solve for x
    x = 78,458,517,725.28/295,763.60
  6. Step 6: Final answer
    x = 265,274.42

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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.