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Finding the Fourth Proportional to 303,770.10, 454,999.05 and 163,364.70

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Solution

The fourth proportional to 303,770.10, 454,999.05 and 163,364.70 is: 244,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,770.10 : 454,999.05 = 163,364.70 : x
  2. Step 2: Convert to fraction form
    303,770.10/454,999.05 = 163,364.70/x
  3. Step 3: Cross multiply
    303,770.10x = 454,999.05 × 163,364.70
  4. Step 4: Simplify right side
    303,770.10x = 74,330,783,303.54
  5. Step 5: Solve for x
    x = 74,330,783,303.54/303,770.10
  6. Step 6: Final answer
    x = 244,694.21

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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.