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Finding the Fourth Proportional to 608,306.20, 839,468.04 and 336,392.54

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Solution

The fourth proportional to 608,306.20, 839,468.04 and 336,392.54 is: 464,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,306.20 : 839,468.04 = 336,392.54 : x
  2. Step 2: Convert to fraction form
    608,306.20/839,468.04 = 336,392.54/x
  3. Step 3: Cross multiply
    608,306.20x = 839,468.04 × 336,392.54
  4. Step 4: Simplify right side
    608,306.20x = 282,390,784,542.46
  5. Step 5: Solve for x
    x = 282,390,784,542.46/608,306.20
  6. Step 6: Final answer
    x = 464,224.74

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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.