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Finding the Fourth Proportional to 303,770.60, 454,999.80 and 163,365.20

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Solution

The fourth proportional to 303,770.60, 454,999.80 and 163,365.20 is: 244,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,770.60 : 454,999.80 = 163,365.20 : x
  2. Step 2: Convert to fraction form
    303,770.60/454,999.80 = 163,365.20/x
  3. Step 3: Cross multiply
    303,770.60x = 454,999.80 × 163,365.20
  4. Step 4: Simplify right side
    303,770.60x = 74,331,133,326.96
  5. Step 5: Solve for x
    x = 74,331,133,326.96/303,770.60
  6. Step 6: Final answer
    x = 244,694.96

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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.