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Finding the Fourth Proportional to 397,470.72, 595,209.03 and 237,447.94

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Solution

The fourth proportional to 397,470.72, 595,209.03 and 237,447.94 is: 355,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,470.72 : 595,209.03 = 237,447.94 : x
  2. Step 2: Convert to fraction form
    397,470.72/595,209.03 = 237,447.94/x
  3. Step 3: Cross multiply
    397,470.72x = 595,209.03 × 237,447.94
  4. Step 4: Simplify right side
    397,470.72x = 141,331,158,042.90
  5. Step 5: Solve for x
    x = 141,331,158,042.90/397,470.72
  6. Step 6: Final answer
    x = 355,576.28

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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.