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Finding the Fourth Proportional to 608,680.54, 839,960.85 and 336,732.58

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Solution

The fourth proportional to 608,680.54, 839,960.85 and 336,732.58 is: 464,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,680.54 : 839,960.85 = 336,732.58 : x
  2. Step 2: Convert to fraction form
    608,680.54/839,960.85 = 336,732.58/x
  3. Step 3: Cross multiply
    608,680.54x = 839,960.85 × 336,732.58
  4. Step 4: Simplify right side
    608,680.54x = 282,842,184,119.49
  5. Step 5: Solve for x
    x = 282,842,184,119.49/608,680.54
  6. Step 6: Final answer
    x = 464,680.84

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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.