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Finding the Fourth Proportional to 379,115.10, 568,672.65 and 350,246.70

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Solution

The fourth proportional to 379,115.10, 568,672.65 and 350,246.70 is: 525,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,115.10 : 568,672.65 = 350,246.70 : x
  2. Step 2: Convert to fraction form
    379,115.10/568,672.65 = 350,246.70/x
  3. Step 3: Cross multiply
    379,115.10x = 568,672.65 × 350,246.70
  4. Step 4: Simplify right side
    379,115.10x = 199,175,719,042.76
  5. Step 5: Solve for x
    x = 199,175,719,042.76/379,115.10
  6. Step 6: Final answer
    x = 525,370.05

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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.