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Finding the Fourth Proportional to 968,843.60, 1,453,265.40 and 850,648.40

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Solution

The fourth proportional to 968,843.60, 1,453,265.40 and 850,648.40 is: 1,275,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,843.60 : 1,453,265.40 = 850,648.40 : x
  2. Step 2: Convert to fraction form
    968,843.60/1,453,265.40 = 850,648.40/x
  3. Step 3: Cross multiply
    968,843.60x = 1,453,265.40 × 850,648.40
  4. Step 4: Simplify right side
    968,843.60x = 1,236,217,887,285.36
  5. Step 5: Solve for x
    x = 1,236,217,887,285.36/968,843.60
  6. Step 6: Final answer
    x = 1,275,972.60

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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.