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Finding the Fourth Proportional to 461,990, 637,546.24 and 250,022

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Solution

The fourth proportional to 461,990, 637,546.24 and 250,022 is: 345,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,990 : 637,546.24 = 250,022 : x
  2. Step 2: Convert to fraction form
    461,990/637,546.24 = 250,022/x
  3. Step 3: Cross multiply
    461,990x = 637,546.24 × 250,022
  4. Step 4: Simplify right side
    461,990x = 159,400,586,017.28
  5. Step 5: Solve for x
    x = 159,400,586,017.28/461,990
  6. Step 6: Final answer
    x = 345,030.38

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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.