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Finding the Fourth Proportional to 884,169, 1,220,153.23 and 481,761

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Solution

The fourth proportional to 884,169, 1,220,153.23 and 481,761 is: 664,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,169 : 1,220,153.23 = 481,761 : x
  2. Step 2: Convert to fraction form
    884,169/1,220,153.23 = 481,761/x
  3. Step 3: Cross multiply
    884,169x = 1,220,153.23 × 481,761
  4. Step 4: Simplify right side
    884,169x = 587,822,241,517.73
  5. Step 5: Solve for x
    x = 587,822,241,517.73/884,169
  6. Step 6: Final answer
    x = 664,830.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.