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Finding the Fourth Proportional to 275,660.83, 413,241.58 and 191,460.75

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Solution

The fourth proportional to 275,660.83, 413,241.58 and 191,460.75 is: 287,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,660.83 : 413,241.58 = 191,460.75 : x
  2. Step 2: Convert to fraction form
    275,660.83/413,241.58 = 191,460.75/x
  3. Step 3: Cross multiply
    275,660.83x = 413,241.58 × 191,460.75
  4. Step 4: Simplify right side
    275,660.83x = 79,119,542,837.99
  5. Step 5: Solve for x
    x = 79,119,542,837.99/275,660.83
  6. Step 6: Final answer
    x = 287,017.72

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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.