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Finding the Fourth Proportional to 370,015.44, 510,621.35 and 200,249.57

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Solution

The fourth proportional to 370,015.44, 510,621.35 and 200,249.57 is: 276,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,015.44 : 510,621.35 = 200,249.57 : x
  2. Step 2: Convert to fraction form
    370,015.44/510,621.35 = 200,249.57/x
  3. Step 3: Cross multiply
    370,015.44x = 510,621.35 × 200,249.57
  4. Step 4: Simplify right side
    370,015.44x = 102,251,705,770.32
  5. Step 5: Solve for x
    x = 102,251,705,770.32/370,015.44
  6. Step 6: Final answer
    x = 276,344.43

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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.