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Finding the Fourth Proportional to 383,876.52, 529,725.52 and 211,796.52

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Solution

The fourth proportional to 383,876.52, 529,725.52 and 211,796.52 is: 292,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,876.52 : 529,725.52 = 211,796.52 : x
  2. Step 2: Convert to fraction form
    383,876.52/529,725.52 = 211,796.52/x
  3. Step 3: Cross multiply
    383,876.52x = 529,725.52 × 211,796.52
  4. Step 4: Simplify right side
    383,876.52x = 112,194,021,691.19
  5. Step 5: Solve for x
    x = 112,194,021,691.19/383,876.52
  6. Step 6: Final answer
    x = 292,265.91

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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.