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Finding the Fourth Proportional to 461,821.06, 637,753.25 and 436,660.99

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Solution

The fourth proportional to 461,821.06, 637,753.25 and 436,660.99 is: 603,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,821.06 : 637,753.25 = 436,660.99 : x
  2. Step 2: Convert to fraction form
    461,821.06/637,753.25 = 436,660.99/x
  3. Step 3: Cross multiply
    461,821.06x = 637,753.25 × 436,660.99
  4. Step 4: Simplify right side
    461,821.06x = 278,481,965,520.72
  5. Step 5: Solve for x
    x = 278,481,965,520.72/461,821.06
  6. Step 6: Final answer
    x = 603,008.38

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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.