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Finding the Fourth Proportional to 612,309.62, 844,997.33 and 336,679.04

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Solution

The fourth proportional to 612,309.62, 844,997.33 and 336,679.04 is: 464,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,309.62 : 844,997.33 = 336,679.04 : x
  2. Step 2: Convert to fraction form
    612,309.62/844,997.33 = 336,679.04/x
  3. Step 3: Cross multiply
    612,309.62x = 844,997.33 × 336,679.04
  4. Step 4: Simplify right side
    612,309.62x = 284,492,889,866.96
  5. Step 5: Solve for x
    x = 284,492,889,866.96/612,309.62
  6. Step 6: Final answer
    x = 464,622.60

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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.