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Finding the Fourth Proportional to 608,548.61, 839,786.71 and 336,616.28

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Solution

The fourth proportional to 608,548.61, 839,786.71 and 336,616.28 is: 464,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,548.61 : 839,786.71 = 336,616.28 : x
  2. Step 2: Convert to fraction form
    608,548.61/839,786.71 = 336,616.28/x
  3. Step 3: Cross multiply
    608,548.61x = 839,786.71 × 336,616.28
  4. Step 4: Simplify right side
    608,548.61x = 282,685,880,362.15
  5. Step 5: Solve for x
    x = 282,685,880,362.15/608,548.61
  6. Step 6: Final answer
    x = 464,524.73

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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.