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Finding the Fourth Proportional to 461,993, 637,550.38 and 250,025

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Solution

The fourth proportional to 461,993, 637,550.38 and 250,025 is: 345,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,993 : 637,550.38 = 250,025 : x
  2. Step 2: Convert to fraction form
    461,993/637,550.38 = 250,025/x
  3. Step 3: Cross multiply
    461,993x = 637,550.38 × 250,025
  4. Step 4: Simplify right side
    461,993x = 159,403,533,759.50
  5. Step 5: Solve for x
    x = 159,403,533,759.50/461,993
  6. Step 6: Final answer
    x = 345,034.52

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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.