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Finding the Fourth Proportional to 375,255.59, 517,842.61 and 214,107.71

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Solution

The fourth proportional to 375,255.59, 517,842.61 and 214,107.71 is: 295,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,255.59 : 517,842.61 = 214,107.71 : x
  2. Step 2: Convert to fraction form
    375,255.59/517,842.61 = 214,107.71/x
  3. Step 3: Cross multiply
    375,255.59x = 517,842.61 × 214,107.71
  4. Step 4: Simplify right side
    375,255.59x = 110,874,095,367.52
  5. Step 5: Solve for x
    x = 110,874,095,367.52/375,255.59
  6. Step 6: Final answer
    x = 295,462.87

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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.