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Finding the Fourth Proportional to 570,568.87, 855,936.73 and 171,241.20

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Solution

The fourth proportional to 570,568.87, 855,936.73 and 171,241.20 is: 256,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,568.87 : 855,936.73 = 171,241.20 : x
  2. Step 2: Convert to fraction form
    570,568.87/855,936.73 = 171,241.20/x
  3. Step 3: Cross multiply
    570,568.87x = 855,936.73 × 171,241.20
  4. Step 4: Simplify right side
    570,568.87x = 146,571,632,769.28
  5. Step 5: Solve for x
    x = 146,571,632,769.28/570,568.87
  6. Step 6: Final answer
    x = 256,886.84

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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.