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Finding the Fourth Proportional to 265,000.60, 396,917.70 and 235,451.80

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Solution

The fourth proportional to 265,000.60, 396,917.70 and 235,451.80 is: 352,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,000.60 : 396,917.70 = 235,451.80 : x
  2. Step 2: Convert to fraction form
    265,000.60/396,917.70 = 235,451.80/x
  3. Step 3: Cross multiply
    265,000.60x = 396,917.70 × 235,451.80
  4. Step 4: Simplify right side
    265,000.60x = 93,454,986,916.86
  5. Step 5: Solve for x
    x = 93,454,986,916.86/265,000.60
  6. Step 6: Final answer
    x = 352,659.53

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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.