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Finding the Fourth Proportional to 375,363.72, 518,110.56 and 214,306.56

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Solution

The fourth proportional to 375,363.72, 518,110.56 and 214,306.56 is: 295,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,363.72 : 518,110.56 = 214,306.56 : x
  2. Step 2: Convert to fraction form
    375,363.72/518,110.56 = 214,306.56/x
  3. Step 3: Cross multiply
    375,363.72x = 518,110.56 × 214,306.56
  4. Step 4: Simplify right side
    375,363.72x = 111,034,491,813.27
  5. Step 5: Solve for x
    x = 111,034,491,813.27/375,363.72
  6. Step 6: Final answer
    x = 295,805.07

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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.