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Finding the Fourth Proportional to 350,463.50, 483,639.22 and 189,318.52

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Solution

The fourth proportional to 350,463.50, 483,639.22 and 189,318.52 is: 261,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,463.50 : 483,639.22 = 189,318.52 : x
  2. Step 2: Convert to fraction form
    350,463.50/483,639.22 = 189,318.52/x
  3. Step 3: Cross multiply
    350,463.50x = 483,639.22 × 189,318.52
  4. Step 4: Simplify right side
    350,463.50x = 91,561,861,344.35
  5. Step 5: Solve for x
    x = 91,561,861,344.35/350,463.50
  6. Step 6: Final answer
    x = 261,259.34

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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.