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Finding the Fourth Proportional to 504,578.60, 756,011.44 and 304,478.56

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Solution

The fourth proportional to 504,578.60, 756,011.44 and 304,478.56 is: 456,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,578.60 : 756,011.44 = 304,478.56 : x
  2. Step 2: Convert to fraction form
    504,578.60/756,011.44 = 304,478.56/x
  3. Step 3: Cross multiply
    504,578.60x = 756,011.44 × 304,478.56
  4. Step 4: Simplify right side
    504,578.60x = 230,189,274,594.73
  5. Step 5: Solve for x
    x = 230,189,274,594.73/504,578.60
  6. Step 6: Final answer
    x = 456,201.03

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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.