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Finding the Fourth Proportional to 603,418.75, 832,718.43 and 331,504.26

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Solution

The fourth proportional to 603,418.75, 832,718.43 and 331,504.26 is: 457,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,418.75 : 832,718.43 = 331,504.26 : x
  2. Step 2: Convert to fraction form
    603,418.75/832,718.43 = 331,504.26/x
  3. Step 3: Cross multiply
    603,418.75x = 832,718.43 × 331,504.26
  4. Step 4: Simplify right side
    603,418.75x = 276,049,705,267.99
  5. Step 5: Solve for x
    x = 276,049,705,267.99/603,418.75
  6. Step 6: Final answer
    x = 457,476.18

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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.