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Finding the Fourth Proportional to 2,654,454, 3,981,695.58 and 659,910

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Solution

The fourth proportional to 2,654,454, 3,981,695.58 and 659,910 is: 989,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,454 : 3,981,695.58 = 659,910 : x
  2. Step 2: Convert to fraction form
    2,654,454/3,981,695.58 = 659,910/x
  3. Step 3: Cross multiply
    2,654,454x = 3,981,695.58 × 659,910
  4. Step 4: Simplify right side
    2,654,454x = 2,627,560,730,197.80
  5. Step 5: Solve for x
    x = 2,627,560,730,197.80/2,654,454
  6. Step 6: Final answer
    x = 989,868.62

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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.