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Finding the Fourth Proportional to 303,019.85, 418,168.25 and 182,230.32

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Solution

The fourth proportional to 303,019.85, 418,168.25 and 182,230.32 is: 251,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,019.85 : 418,168.25 = 182,230.32 : x
  2. Step 2: Convert to fraction form
    303,019.85/418,168.25 = 182,230.32/x
  3. Step 3: Cross multiply
    303,019.85x = 418,168.25 × 182,230.32
  4. Step 4: Simplify right side
    303,019.85x = 76,202,933,100.19
  5. Step 5: Solve for x
    x = 76,202,933,100.19/303,019.85
  6. Step 6: Final answer
    x = 251,478.36

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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.