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Finding the Fourth Proportional to 303,524.39, 419,202.06 and 236,349.47

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Solution

The fourth proportional to 303,524.39, 419,202.06 and 236,349.47 is: 326,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,524.39 : 419,202.06 = 236,349.47 : x
  2. Step 2: Convert to fraction form
    303,524.39/419,202.06 = 236,349.47/x
  3. Step 3: Cross multiply
    303,524.39x = 419,202.06 × 236,349.47
  4. Step 4: Simplify right side
    303,524.39x = 99,078,184,703.91
  5. Step 5: Solve for x
    x = 99,078,184,703.91/303,524.39
  6. Step 6: Final answer
    x = 326,425.78

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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.