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Finding the Fourth Proportional to 220,896.60, 331,344.90 and 195,527.40

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Solution

The fourth proportional to 220,896.60, 331,344.90 and 195,527.40 is: 293,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,896.60 : 331,344.90 = 195,527.40 : x
  2. Step 2: Convert to fraction form
    220,896.60/331,344.90 = 195,527.40/x
  3. Step 3: Cross multiply
    220,896.60x = 331,344.90 × 195,527.40
  4. Step 4: Simplify right side
    220,896.60x = 64,787,006,800.26
  5. Step 5: Solve for x
    x = 64,787,006,800.26/220,896.60
  6. Step 6: Final answer
    x = 293,291.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.