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Finding the Fourth Proportional to 350,884.23, 484,219.87 and 189,738.87

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Solution

The fourth proportional to 350,884.23, 484,219.87 and 189,738.87 is: 261,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,884.23 : 484,219.87 = 189,738.87 : x
  2. Step 2: Convert to fraction form
    350,884.23/484,219.87 = 189,738.87/x
  3. Step 3: Cross multiply
    350,884.23x = 484,219.87 × 189,738.87
  4. Step 4: Simplify right side
    350,884.23x = 91,875,330,965.35
  5. Step 5: Solve for x
    x = 91,875,330,965.35/350,884.23
  6. Step 6: Final answer
    x = 261,839.44

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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.