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Finding the Fourth Proportional to 383,273.70, 575,021.52 and 158,592.66

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Solution

The fourth proportional to 383,273.70, 575,021.52 and 158,592.66 is: 237,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,273.70 : 575,021.52 = 158,592.66 : x
  2. Step 2: Convert to fraction form
    383,273.70/575,021.52 = 158,592.66/x
  3. Step 3: Cross multiply
    383,273.70x = 575,021.52 × 158,592.66
  4. Step 4: Simplify right side
    383,273.70x = 91,194,192,414.04
  5. Step 5: Solve for x
    x = 91,194,192,414.04/383,273.70
  6. Step 6: Final answer
    x = 237,934.91

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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.