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Finding the Fourth Proportional to 591,152.40, 886,728.60 and 413,859.60

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Solution

The fourth proportional to 591,152.40, 886,728.60 and 413,859.60 is: 620,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,152.40 : 886,728.60 = 413,859.60 : x
  2. Step 2: Convert to fraction form
    591,152.40/886,728.60 = 413,859.60/x
  3. Step 3: Cross multiply
    591,152.40x = 886,728.60 × 413,859.60
  4. Step 4: Simplify right side
    591,152.40x = 366,981,143,704.56
  5. Step 5: Solve for x
    x = 366,981,143,704.56/591,152.40
  6. Step 6: Final answer
    x = 620,789.40

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Similar ratio
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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.