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Finding the Fourth Proportional to 427,183.85, 589,549.41 and 245,954.45

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Solution

The fourth proportional to 427,183.85, 589,549.41 and 245,954.45 is: 339,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,183.85 : 589,549.41 = 245,954.45 : x
  2. Step 2: Convert to fraction form
    427,183.85/589,549.41 = 245,954.45/x
  3. Step 3: Cross multiply
    427,183.85x = 589,549.41 × 245,954.45
  4. Step 4: Simplify right side
    427,183.85x = 145,002,296,706.86
  5. Step 5: Solve for x
    x = 145,002,296,706.86/427,183.85
  6. Step 6: Final answer
    x = 339,437.69

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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.