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Finding the Fourth Proportional to 622,997.63, 859,737.04 and 336,517.64

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Solution

The fourth proportional to 622,997.63, 859,737.04 and 336,517.64 is: 464,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,997.63 : 859,737.04 = 336,517.64 : x
  2. Step 2: Convert to fraction form
    622,997.63/859,737.04 = 336,517.64/x
  3. Step 3: Cross multiply
    622,997.63x = 859,737.04 × 336,517.64
  4. Step 4: Simplify right side
    622,997.63x = 289,316,677,805.42
  5. Step 5: Solve for x
    x = 289,316,677,805.42/622,997.63
  6. Step 6: Final answer
    x = 464,394.51

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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.