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Finding the Fourth Proportional to 447,689.24, 617,792.46 and 246,472.28

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Solution

The fourth proportional to 447,689.24, 617,792.46 and 246,472.28 is: 340,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,689.24 : 617,792.46 = 246,472.28 : x
  2. Step 2: Convert to fraction form
    447,689.24/617,792.46 = 246,472.28/x
  3. Step 3: Cross multiply
    447,689.24x = 617,792.46 × 246,472.28
  4. Step 4: Simplify right side
    447,689.24x = 152,268,716,183.01
  5. Step 5: Solve for x
    x = 152,268,716,183.01/447,689.24
  6. Step 6: Final answer
    x = 340,121.46

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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.