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Finding the Fourth Proportional to 352,875.60, 529,540.20 and 195,217.20

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Solution

The fourth proportional to 352,875.60, 529,540.20 and 195,217.20 is: 292,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,875.60 : 529,540.20 = 195,217.20 : x
  2. Step 2: Convert to fraction form
    352,875.60/529,540.20 = 195,217.20/x
  3. Step 3: Cross multiply
    352,875.60x = 529,540.20 × 195,217.20
  4. Step 4: Simplify right side
    352,875.60x = 103,375,355,131.44
  5. Step 5: Solve for x
    x = 103,375,355,131.44/352,875.60
  6. Step 6: Final answer
    x = 292,951.27

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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.