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Finding the Fourth Proportional to 636,601.75, 954,964.96 and 231,903.95

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Solution

The fourth proportional to 636,601.75, 954,964.96 and 231,903.95 is: 347,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,601.75 : 954,964.96 = 231,903.95 : x
  2. Step 2: Convert to fraction form
    636,601.75/954,964.96 = 231,903.95/x
  3. Step 3: Cross multiply
    636,601.75x = 954,964.96 × 231,903.95
  4. Step 4: Simplify right side
    636,601.75x = 221,460,140,981.01
  5. Step 5: Solve for x
    x = 221,460,140,981.01/636,601.75
  6. Step 6: Final answer
    x = 347,878.63

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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.