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Finding the Fourth Proportional to 570,559.92, 855,923.33 and 171,232.25

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Solution

The fourth proportional to 570,559.92, 855,923.33 and 171,232.25 is: 256,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,559.92 : 855,923.33 = 171,232.25 : x
  2. Step 2: Convert to fraction form
    570,559.92/855,923.33 = 171,232.25/x
  3. Step 3: Cross multiply
    570,559.92x = 855,923.33 × 171,232.25
  4. Step 4: Simplify right side
    570,559.92x = 146,561,677,623.39
  5. Step 5: Solve for x
    x = 146,561,677,623.39/570,559.92
  6. Step 6: Final answer
    x = 256,873.42

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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.