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Finding the Fourth Proportional to 363,559.54, 501,713.04 and 202,406.80

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Solution

The fourth proportional to 363,559.54, 501,713.04 and 202,406.80 is: 279,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,559.54 : 501,713.04 = 202,406.80 : x
  2. Step 2: Convert to fraction form
    363,559.54/501,713.04 = 202,406.80/x
  3. Step 3: Cross multiply
    363,559.54x = 501,713.04 × 202,406.80
  4. Step 4: Simplify right side
    363,559.54x = 101,550,130,944.67
  5. Step 5: Solve for x
    x = 101,550,130,944.67/363,559.54
  6. Step 6: Final answer
    x = 279,321.87

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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.