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Finding the Fourth Proportional to 636,335.92, 954,504.15 and 187,056.82

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Solution

The fourth proportional to 636,335.92, 954,504.15 and 187,056.82 is: 280,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,335.92 : 954,504.15 = 187,056.82 : x
  2. Step 2: Convert to fraction form
    636,335.92/954,504.15 = 187,056.82/x
  3. Step 3: Cross multiply
    636,335.92x = 954,504.15 × 187,056.82
  4. Step 4: Simplify right side
    636,335.92x = 178,546,510,975.80
  5. Step 5: Solve for x
    x = 178,546,510,975.80/636,335.92
  6. Step 6: Final answer
    x = 280,585.31

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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.