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Finding the Fourth Proportional to 250,146.64, 344,969.13 and 231,569.29

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Solution

The fourth proportional to 250,146.64, 344,969.13 and 231,569.29 is: 319,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,146.64 : 344,969.13 = 231,569.29 : x
  2. Step 2: Convert to fraction form
    250,146.64/344,969.13 = 231,569.29/x
  3. Step 3: Cross multiply
    250,146.64x = 344,969.13 × 231,569.29
  4. Step 4: Simplify right side
    250,146.64x = 79,884,256,222.52
  5. Step 5: Solve for x
    x = 79,884,256,222.52/250,146.64
  6. Step 6: Final answer
    x = 319,349.71

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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.