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Finding the Fourth Proportional to 472,775.27, 709,169.09 and 157,232.21

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Solution

The fourth proportional to 472,775.27, 709,169.09 and 157,232.21 is: 235,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,775.27 : 709,169.09 = 157,232.21 : x
  2. Step 2: Convert to fraction form
    472,775.27/709,169.09 = 157,232.21/x
  3. Step 3: Cross multiply
    472,775.27x = 709,169.09 × 157,232.21
  4. Step 4: Simplify right side
    472,775.27x = 111,504,218,952.38
  5. Step 5: Solve for x
    x = 111,504,218,952.38/472,775.27
  6. Step 6: Final answer
    x = 235,850.37

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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.