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Finding the Fourth Proportional to 383,726.91, 529,750.75 and 230,799.24

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Solution

The fourth proportional to 383,726.91, 529,750.75 and 230,799.24 is: 318,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,726.91 : 529,750.75 = 230,799.24 : x
  2. Step 2: Convert to fraction form
    383,726.91/529,750.75 = 230,799.24/x
  3. Step 3: Cross multiply
    383,726.91x = 529,750.75 × 230,799.24
  4. Step 4: Simplify right side
    383,726.91x = 122,266,069,912.43
  5. Step 5: Solve for x
    x = 122,266,069,912.43/383,726.91
  6. Step 6: Final answer
    x = 318,627.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.