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Finding the Fourth Proportional to 504,663.48, 756,965.52 and 189,093.96

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Solution

The fourth proportional to 504,663.48, 756,965.52 and 189,093.96 is: 283,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,663.48 : 756,965.52 = 189,093.96 : x
  2. Step 2: Convert to fraction form
    504,663.48/756,965.52 = 189,093.96/x
  3. Step 3: Cross multiply
    504,663.48x = 756,965.52 × 189,093.96
  4. Step 4: Simplify right side
    504,663.48x = 143,137,607,760.26
  5. Step 5: Solve for x
    x = 143,137,607,760.26/504,663.48
  6. Step 6: Final answer
    x = 283,629.81

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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.