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Finding the Fourth Proportional to 481,855.84, 722,785.38 and 122,026.50

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Solution

The fourth proportional to 481,855.84, 722,785.38 and 122,026.50 is: 183,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,855.84 : 722,785.38 = 122,026.50 : x
  2. Step 2: Convert to fraction form
    481,855.84/722,785.38 = 122,026.50/x
  3. Step 3: Cross multiply
    481,855.84x = 722,785.38 × 122,026.50
  4. Step 4: Simplify right side
    481,855.84x = 88,198,969,714.97
  5. Step 5: Solve for x
    x = 88,198,969,714.97/481,855.84
  6. Step 6: Final answer
    x = 183,040.16

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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.