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Finding the Fourth Proportional to 379,818.38, 569,804.25 and 169,456.34

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Solution

The fourth proportional to 379,818.38, 569,804.25 and 169,456.34 is: 254,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,818.38 : 569,804.25 = 169,456.34 : x
  2. Step 2: Convert to fraction form
    379,818.38/569,804.25 = 169,456.34/x
  3. Step 3: Cross multiply
    379,818.38x = 569,804.25 × 169,456.34
  4. Step 4: Simplify right side
    379,818.38x = 96,556,942,721.45
  5. Step 5: Solve for x
    x = 96,556,942,721.45/379,818.38
  6. Step 6: Final answer
    x = 254,218.72

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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.