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Finding the Fourth Proportional to 884,906.84, 1,327,361.01 and 379,139.85

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Solution

The fourth proportional to 884,906.84, 1,327,361.01 and 379,139.85 is: 568,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,906.84 : 1,327,361.01 = 379,139.85 : x
  2. Step 2: Convert to fraction form
    884,906.84/1,327,361.01 = 379,139.85/x
  3. Step 3: Cross multiply
    884,906.84x = 1,327,361.01 × 379,139.85
  4. Step 4: Simplify right side
    884,906.84x = 503,255,457,545.65
  5. Step 5: Solve for x
    x = 503,255,457,545.65/884,906.84
  6. Step 6: Final answer
    x = 568,710.10

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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.