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Finding the Fourth Proportional to 504,628.80, 756,343.80 and 267,849.60

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Solution

The fourth proportional to 504,628.80, 756,343.80 and 267,849.60 is: 401,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,628.80 : 756,343.80 = 267,849.60 : x
  2. Step 2: Convert to fraction form
    504,628.80/756,343.80 = 267,849.60/x
  3. Step 3: Cross multiply
    504,628.80x = 756,343.80 × 267,849.60
  4. Step 4: Simplify right side
    504,628.80x = 202,586,384,292.48
  5. Step 5: Solve for x
    x = 202,586,384,292.48/504,628.80
  6. Step 6: Final answer
    x = 401,456.25

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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.