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Finding the Fourth Proportional to 371,897.92, 513,234.39 and 210,751.26

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Solution

The fourth proportional to 371,897.92, 513,234.39 and 210,751.26 is: 290,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,897.92 : 513,234.39 = 210,751.26 : x
  2. Step 2: Convert to fraction form
    371,897.92/513,234.39 = 210,751.26/x
  3. Step 3: Cross multiply
    371,897.92x = 513,234.39 × 210,751.26
  4. Step 4: Simplify right side
    371,897.92x = 108,164,794,367.83
  5. Step 5: Solve for x
    x = 108,164,794,367.83/371,897.92
  6. Step 6: Final answer
    x = 290,845.39

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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.