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Finding the Fourth Proportional to 446,772, 616,545.36 and 245,568

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Solution

The fourth proportional to 446,772, 616,545.36 and 245,568 is: 338,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,772 : 616,545.36 = 245,568 : x
  2. Step 2: Convert to fraction form
    446,772/616,545.36 = 245,568/x
  3. Step 3: Cross multiply
    446,772x = 616,545.36 × 245,568
  4. Step 4: Simplify right side
    446,772x = 151,403,810,964.48
  5. Step 5: Solve for x
    x = 151,403,810,964.48/446,772
  6. Step 6: Final answer
    x = 338,883.84

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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.