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Finding the Fourth Proportional to 505,696.77, 758,291.22 and 168,618.11

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Solution

The fourth proportional to 505,696.77, 758,291.22 and 168,618.11 is: 252,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,696.77 : 758,291.22 = 168,618.11 : x
  2. Step 2: Convert to fraction form
    505,696.77/758,291.22 = 168,618.11/x
  3. Step 3: Cross multiply
    505,696.77x = 758,291.22 × 168,618.11
  4. Step 4: Simplify right side
    505,696.77x = 127,861,628,554.54
  5. Step 5: Solve for x
    x = 127,861,628,554.54/505,696.77
  6. Step 6: Final answer
    x = 252,842.49

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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.