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Finding the Fourth Proportional to 303,523.39, 419,200.68 and 236,348.47

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Solution

The fourth proportional to 303,523.39, 419,200.68 and 236,348.47 is: 326,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,523.39 : 419,200.68 = 236,348.47 : x
  2. Step 2: Convert to fraction form
    303,523.39/419,200.68 = 236,348.47/x
  3. Step 3: Cross multiply
    303,523.39x = 419,200.68 × 236,348.47
  4. Step 4: Simplify right side
    303,523.39x = 99,077,439,340.96
  5. Step 5: Solve for x
    x = 99,077,439,340.96/303,523.39
  6. Step 6: Final answer
    x = 326,424.40

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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.