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Finding the Fourth Proportional to 344,369.49, 515,695.14 and 217,627.38

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Solution

The fourth proportional to 344,369.49, 515,695.14 and 217,627.38 is: 325,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,369.49 : 515,695.14 = 217,627.38 : x
  2. Step 2: Convert to fraction form
    344,369.49/515,695.14 = 217,627.38/x
  3. Step 3: Cross multiply
    344,369.49x = 515,695.14 × 217,627.38
  4. Step 4: Simplify right side
    344,369.49x = 112,229,382,196.93
  5. Step 5: Solve for x
    x = 112,229,382,196.93/344,369.49
  6. Step 6: Final answer
    x = 325,898.16

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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.