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Finding the Fourth Proportional to 379,203.68, 568,928.52 and 112,966.49

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Solution

The fourth proportional to 379,203.68, 568,928.52 and 112,966.49 is: 169,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,203.68 : 568,928.52 = 112,966.49 : x
  2. Step 2: Convert to fraction form
    379,203.68/568,928.52 = 112,966.49/x
  3. Step 3: Cross multiply
    379,203.68x = 568,928.52 × 112,966.49
  4. Step 4: Simplify right side
    379,203.68x = 64,269,855,120.65
  5. Step 5: Solve for x
    x = 64,269,855,120.65/379,203.68
  6. Step 6: Final answer
    x = 169,486.37

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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.