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Finding the Fourth Proportional to 505,696.41, 758,290.65 and 168,617.73

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Solution

The fourth proportional to 505,696.41, 758,290.65 and 168,617.73 is: 252,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,696.41 : 758,290.65 = 168,617.73 : x
  2. Step 2: Convert to fraction form
    505,696.41/758,290.65 = 168,617.73/x
  3. Step 3: Cross multiply
    505,696.41x = 758,290.65 × 168,617.73
  4. Step 4: Simplify right side
    505,696.41x = 127,861,248,083.23
  5. Step 5: Solve for x
    x = 127,861,248,083.23/505,696.41
  6. Step 6: Final answer
    x = 252,841.91

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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.