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Finding the Fourth Proportional to 608,469.06, 839,680.10 and 336,515.62

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Solution

The fourth proportional to 608,469.06, 839,680.10 and 336,515.62 is: 464,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,469.06 : 839,680.10 = 336,515.62 : x
  2. Step 2: Convert to fraction form
    608,469.06/839,680.10 = 336,515.62/x
  3. Step 3: Cross multiply
    608,469.06x = 839,680.10 × 336,515.62
  4. Step 4: Simplify right side
    608,469.06x = 282,565,469,453.16
  5. Step 5: Solve for x
    x = 282,565,469,453.16/608,469.06
  6. Step 6: Final answer
    x = 464,387.57

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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.