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Finding the Fourth Proportional to 352,199.92, 528,070.10 and 231,892.70

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Solution

The fourth proportional to 352,199.92, 528,070.10 and 231,892.70 is: 347,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,199.92 : 528,070.10 = 231,892.70 : x
  2. Step 2: Convert to fraction form
    352,199.92/528,070.10 = 231,892.70/x
  3. Step 3: Cross multiply
    352,199.92x = 528,070.10 × 231,892.70
  4. Step 4: Simplify right side
    352,199.92x = 122,455,601,278.27
  5. Step 5: Solve for x
    x = 122,455,601,278.27/352,199.92
  6. Step 6: Final answer
    x = 347,687.76

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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.