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Finding the Fourth Proportional to 461,355.06, 691,700.46 and 283,494.60

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Solution

The fourth proportional to 461,355.06, 691,700.46 and 283,494.60 is: 425,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,355.06 : 691,700.46 = 283,494.60 : x
  2. Step 2: Convert to fraction form
    461,355.06/691,700.46 = 283,494.60/x
  3. Step 3: Cross multiply
    461,355.06x = 691,700.46 × 283,494.60
  4. Step 4: Simplify right side
    461,355.06x = 196,093,345,227.52
  5. Step 5: Solve for x
    x = 196,093,345,227.52/461,355.06
  6. Step 6: Final answer
    x = 425,037.81

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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.