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Finding the Fourth Proportional to 218,393.73, 327,592.41 and 68,630.67

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Solution

The fourth proportional to 218,393.73, 327,592.41 and 68,630.67 is: 102,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,393.73 : 327,592.41 = 68,630.67 : x
  2. Step 2: Convert to fraction form
    218,393.73/327,592.41 = 68,630.67/x
  3. Step 3: Cross multiply
    218,393.73x = 327,592.41 × 68,630.67
  4. Step 4: Simplify right side
    218,393.73x = 22,482,886,585.21
  5. Step 5: Solve for x
    x = 22,482,886,585.21/218,393.73
  6. Step 6: Final answer
    x = 102,946.58

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1.5x scale

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.