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Finding the Fourth Proportional to 492,696.27, 679,869.99 and 363,703.32

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Solution

The fourth proportional to 492,696.27, 679,869.99 and 363,703.32 is: 501,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,696.27 : 679,869.99 = 363,703.32 : x
  2. Step 2: Convert to fraction form
    492,696.27/679,869.99 = 363,703.32/x
  3. Step 3: Cross multiply
    492,696.27x = 679,869.99 × 363,703.32
  4. Step 4: Simplify right side
    492,696.27x = 247,270,972,531.37
  5. Step 5: Solve for x
    x = 247,270,972,531.37/492,696.27
  6. Step 6: Final answer
    x = 501,873.04

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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.