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Finding the Fourth Proportional to 591,168.92, 887,106.66 and 217,229.72

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Solution

The fourth proportional to 591,168.92, 887,106.66 and 217,229.72 is: 325,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,168.92 : 887,106.66 = 217,229.72 : x
  2. Step 2: Convert to fraction form
    591,168.92/887,106.66 = 217,229.72/x
  3. Step 3: Cross multiply
    591,168.92x = 887,106.66 × 217,229.72
  4. Step 4: Simplify right side
    591,168.92x = 192,705,931,361.94
  5. Step 5: Solve for x
    x = 192,705,931,361.94/591,168.92
  6. Step 6: Final answer
    x = 325,974.40

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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.