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Finding the Fourth Proportional to 363,412.94, 501,504.80 and 202,268.03

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Solution

The fourth proportional to 363,412.94, 501,504.80 and 202,268.03 is: 279,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,412.94 : 501,504.80 = 202,268.03 : x
  2. Step 2: Convert to fraction form
    363,412.94/501,504.80 = 202,268.03/x
  3. Step 3: Cross multiply
    363,412.94x = 501,504.80 × 202,268.03
  4. Step 4: Simplify right side
    363,412.94x = 101,438,384,412.68
  5. Step 5: Solve for x
    x = 101,438,384,412.68/363,412.94
  6. Step 6: Final answer
    x = 279,127.06

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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.