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Finding the Fourth Proportional to 379,502.69, 523,696.51 and 234,373.37

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Solution

The fourth proportional to 379,502.69, 523,696.51 and 234,373.37 is: 323,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,502.69 : 523,696.51 = 234,373.37 : x
  2. Step 2: Convert to fraction form
    379,502.69/523,696.51 = 234,373.37/x
  3. Step 3: Cross multiply
    379,502.69x = 523,696.51 × 234,373.37
  4. Step 4: Simplify right side
    379,502.69x = 122,740,516,629.25
  5. Step 5: Solve for x
    x = 122,740,516,629.25/379,502.69
  6. Step 6: Final answer
    x = 323,424.63

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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.