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Finding the Fourth Proportional to 4,703,627.78, 7,053,748.56 and 1,628,785.97

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Solution

The fourth proportional to 4,703,627.78, 7,053,748.56 and 1,628,785.97 is: 2,442,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703,627.78 : 7,053,748.56 = 1,628,785.97 : x
  2. Step 2: Convert to fraction form
    4,703,627.78/7,053,748.56 = 1,628,785.97/x
  3. Step 3: Cross multiply
    4,703,627.78x = 7,053,748.56 × 1,628,785.97
  4. Step 4: Simplify right side
    4,703,627.78x = 11,489,046,690,435.70
  5. Step 5: Solve for x
    x = 11,489,046,690,435.70/4,703,627.78
  6. Step 6: Final answer
    x = 2,442,592.66

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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.