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Finding the Fourth Proportional to 308,885.31, 463,336.06 and 106,479.27

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Solution

The fourth proportional to 308,885.31, 463,336.06 and 106,479.27 is: 159,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,885.31 : 463,336.06 = 106,479.27 : x
  2. Step 2: Convert to fraction form
    308,885.31/463,336.06 = 106,479.27/x
  3. Step 3: Cross multiply
    308,885.31x = 463,336.06 × 106,479.27
  4. Step 4: Simplify right side
    308,885.31x = 49,335,685,433.48
  5. Step 5: Solve for x
    x = 49,335,685,433.48/308,885.31
  6. Step 6: Final answer
    x = 159,721.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.