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Finding the Fourth Proportional to 351,284, 526,949.42 and 123,552.28

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Solution

The fourth proportional to 351,284, 526,949.42 and 123,552.28 is: 185,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,284 : 526,949.42 = 123,552.28 : x
  2. Step 2: Convert to fraction form
    351,284/526,949.42 = 123,552.28/x
  3. Step 3: Cross multiply
    351,284x = 526,949.42 × 123,552.28
  4. Step 4: Simplify right side
    351,284x = 65,105,802,285.68
  5. Step 5: Solve for x
    x = 65,105,802,285.68/351,284
  6. Step 6: Final answer
    x = 185,336.66

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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.