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Finding the Fourth Proportional to 330,016.46, 495,020.51 and 105,374.04

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Solution

The fourth proportional to 330,016.46, 495,020.51 and 105,374.04 is: 158,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,016.46 : 495,020.51 = 105,374.04 : x
  2. Step 2: Convert to fraction form
    330,016.46/495,020.51 = 105,374.04/x
  3. Step 3: Cross multiply
    330,016.46x = 495,020.51 × 105,374.04
  4. Step 4: Simplify right side
    330,016.46x = 52,162,310,494.69
  5. Step 5: Solve for x
    x = 52,162,310,494.69/330,016.46
  6. Step 6: Final answer
    x = 158,059.73

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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.