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Finding the Fourth Proportional to 447,051.48, 616,918.74 and 245,847.48

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Solution

The fourth proportional to 447,051.48, 616,918.74 and 245,847.48 is: 339,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,051.48 : 616,918.74 = 245,847.48 : x
  2. Step 2: Convert to fraction form
    447,051.48/616,918.74 = 245,847.48/x
  3. Step 3: Cross multiply
    447,051.48x = 616,918.74 × 245,847.48
  4. Step 4: Simplify right side
    447,051.48x = 151,667,917,593.78
  5. Step 5: Solve for x
    x = 151,667,917,593.78/447,051.48
  6. Step 6: Final answer
    x = 339,262.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.