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Finding the Fourth Proportional to 384,367.39, 576,553.13 and 252,085.33

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Solution

The fourth proportional to 384,367.39, 576,553.13 and 252,085.33 is: 378,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,367.39 : 576,553.13 = 252,085.33 : x
  2. Step 2: Convert to fraction form
    384,367.39/576,553.13 = 252,085.33/x
  3. Step 3: Cross multiply
    384,367.39x = 576,553.13 × 252,085.33
  4. Step 4: Simplify right side
    384,367.39x = 145,340,586,444.17
  5. Step 5: Solve for x
    x = 145,340,586,444.17/384,367.39
  6. Step 6: Final answer
    x = 378,129.34

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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.