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Finding the Fourth Proportional to 363,696.69, 502,131.21 and 268,036.77

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Solution

The fourth proportional to 363,696.69, 502,131.21 and 268,036.77 is: 370,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,696.69 : 502,131.21 = 268,036.77 : x
  2. Step 2: Convert to fraction form
    363,696.69/502,131.21 = 268,036.77/x
  3. Step 3: Cross multiply
    363,696.69x = 502,131.21 × 268,036.77
  4. Step 4: Simplify right side
    363,696.69x = 134,589,627,644.59
  5. Step 5: Solve for x
    x = 134,589,627,644.59/363,696.69
  6. Step 6: Final answer
    x = 370,060.08

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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.