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Finding the Fourth Proportional to 608,551.63, 839,736.60 and 336,576.31

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Solution

The fourth proportional to 608,551.63, 839,736.60 and 336,576.31 is: 464,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,551.63 : 839,736.60 = 336,576.31 : x
  2. Step 2: Convert to fraction form
    608,551.63/839,736.60 = 336,576.31/x
  3. Step 3: Cross multiply
    608,551.63x = 839,736.60 × 336,576.31
  4. Step 4: Simplify right side
    608,551.63x = 282,635,446,199.95
  5. Step 5: Solve for x
    x = 282,635,446,199.95/608,551.63
  6. Step 6: Final answer
    x = 464,439.55

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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.