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Finding the Fourth Proportional to 504,629.70, 756,087.68 and 304,529.60

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Solution

The fourth proportional to 504,629.70, 756,087.68 and 304,529.60 is: 456,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,629.70 : 756,087.68 = 304,529.60 : x
  2. Step 2: Convert to fraction form
    504,629.70/756,087.68 = 304,529.60/x
  3. Step 3: Cross multiply
    504,629.70x = 756,087.68 × 304,529.60
  4. Step 4: Simplify right side
    504,629.70x = 230,251,078,755.33
  5. Step 5: Solve for x
    x = 230,251,078,755.33/504,629.70
  6. Step 6: Final answer
    x = 456,277.30

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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.