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Finding the Fourth Proportional to 260,906.96, 359,892.44 and 172,501.86

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Solution

The fourth proportional to 260,906.96, 359,892.44 and 172,501.86 is: 237,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,906.96 : 359,892.44 = 172,501.86 : x
  2. Step 2: Convert to fraction form
    260,906.96/359,892.44 = 172,501.86/x
  3. Step 3: Cross multiply
    260,906.96x = 359,892.44 × 172,501.86
  4. Step 4: Simplify right side
    260,906.96x = 62,082,115,299.94
  5. Step 5: Solve for x
    x = 62,082,115,299.94/260,906.96
  6. Step 6: Final answer
    x = 237,947.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.