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Finding the Fourth Proportional to 379,750.20, 569,552.40 and 113,519.40

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Solution

The fourth proportional to 379,750.20, 569,552.40 and 113,519.40 is: 170,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,750.20 : 569,552.40 = 113,519.40 : x
  2. Step 2: Convert to fraction form
    379,750.20/569,552.40 = 113,519.40/x
  3. Step 3: Cross multiply
    379,750.20x = 569,552.40 × 113,519.40
  4. Step 4: Simplify right side
    379,750.20x = 64,655,246,716.56
  5. Step 5: Solve for x
    x = 64,655,246,716.56/379,750.20
  6. Step 6: Final answer
    x = 170,257.31

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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.