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Finding the Fourth Proportional to 447,062.48, 616,933.92 and 245,858.48

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Solution

The fourth proportional to 447,062.48, 616,933.92 and 245,858.48 is: 339,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,062.48 : 616,933.92 = 245,858.48 : x
  2. Step 2: Convert to fraction form
    447,062.48/616,933.92 = 245,858.48/x
  3. Step 3: Cross multiply
    447,062.48x = 616,933.92 × 245,858.48
  4. Step 4: Simplify right side
    447,062.48x = 151,678,435,831.64
  5. Step 5: Solve for x
    x = 151,678,435,831.64/447,062.48
  6. Step 6: Final answer
    x = 339,277.94

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Why These Related Problems?

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