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Finding the Fourth Proportional to 315,791.52, 472,838.46 and 240,553.26

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Solution

The fourth proportional to 315,791.52, 472,838.46 and 240,553.26 is: 360,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,791.52 : 472,838.46 = 240,553.26 : x
  2. Step 2: Convert to fraction form
    315,791.52/472,838.46 = 240,553.26/x
  3. Step 3: Cross multiply
    315,791.52x = 472,838.46 × 240,553.26
  4. Step 4: Simplify right side
    315,791.52x = 113,742,829,940.38
  5. Step 5: Solve for x
    x = 113,742,829,940.38/315,791.52
  6. Step 6: Final answer
    x = 360,183.29

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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.