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Finding the Fourth Proportional to 481,885.70, 722,828.55 and 404,903.30

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Solution

The fourth proportional to 481,885.70, 722,828.55 and 404,903.30 is: 607,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,885.70 : 722,828.55 = 404,903.30 : x
  2. Step 2: Convert to fraction form
    481,885.70/722,828.55 = 404,903.30/x
  3. Step 3: Cross multiply
    481,885.70x = 722,828.55 × 404,903.30
  4. Step 4: Simplify right side
    481,885.70x = 292,675,665,229.22
  5. Step 5: Solve for x
    x = 292,675,665,229.22/481,885.70
  6. Step 6: Final answer
    x = 607,354.95

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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.