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Finding the Fourth Proportional to 303,304.50, 418,560.21 and 169,168.50

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Solution

The fourth proportional to 303,304.50, 418,560.21 and 169,168.50 is: 233,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,304.50 : 418,560.21 = 169,168.50 : x
  2. Step 2: Convert to fraction form
    303,304.50/418,560.21 = 169,168.50/x
  3. Step 3: Cross multiply
    303,304.50x = 418,560.21 × 169,168.50
  4. Step 4: Simplify right side
    303,304.50x = 70,807,202,885.39
  5. Step 5: Solve for x
    x = 70,807,202,885.39/303,304.50
  6. Step 6: Final answer
    x = 233,452.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.