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Finding the Fourth Proportional to 375,529.56, 518,251.56 and 214,436.37

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Solution

The fourth proportional to 375,529.56, 518,251.56 and 214,436.37 is: 295,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,529.56 : 518,251.56 = 214,436.37 : x
  2. Step 2: Convert to fraction form
    375,529.56/518,251.56 = 214,436.37/x
  3. Step 3: Cross multiply
    375,529.56x = 518,251.56 × 214,436.37
  4. Step 4: Simplify right side
    375,529.56x = 111,131,983,273.24
  5. Step 5: Solve for x
    x = 111,131,983,273.24/375,529.56
  6. Step 6: Final answer
    x = 295,934.05

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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.