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Finding the Fourth Proportional to 608,186.78, 839,224.50 and 336,217.94

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Solution

The fourth proportional to 608,186.78, 839,224.50 and 336,217.94 is: 463,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,186.78 : 839,224.50 = 336,217.94 : x
  2. Step 2: Convert to fraction form
    608,186.78/839,224.50 = 336,217.94/x
  3. Step 3: Cross multiply
    608,186.78x = 839,224.50 × 336,217.94
  4. Step 4: Simplify right side
    608,186.78x = 282,162,332,587.53
  5. Step 5: Solve for x
    x = 282,162,332,587.53/608,186.78
  6. Step 6: Final answer
    x = 463,940.26

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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.