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Finding the Fourth Proportional to 455,317.92, 682,750.92 and 155,713.56

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Solution

The fourth proportional to 455,317.92, 682,750.92 and 155,713.56 is: 233,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,317.92 : 682,750.92 = 155,713.56 : x
  2. Step 2: Convert to fraction form
    455,317.92/682,750.92 = 155,713.56/x
  3. Step 3: Cross multiply
    455,317.92x = 682,750.92 × 155,713.56
  4. Step 4: Simplify right side
    455,317.92x = 106,313,576,346.48
  5. Step 5: Solve for x
    x = 106,313,576,346.48/455,317.92
  6. Step 6: Final answer
    x = 233,493.06

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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.