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Finding the Fourth Proportional to 868,957.16, 1,199,231.88 and 481,893.80

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Solution

The fourth proportional to 868,957.16, 1,199,231.88 and 481,893.80 is: 665,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,957.16 : 1,199,231.88 = 481,893.80 : x
  2. Step 2: Convert to fraction form
    868,957.16/1,199,231.88 = 481,893.80/x
  3. Step 3: Cross multiply
    868,957.16x = 1,199,231.88 × 481,893.80
  4. Step 4: Simplify right side
    868,957.16x = 577,902,401,738.19
  5. Step 5: Solve for x
    x = 577,902,401,738.19/868,957.16
  6. Step 6: Final answer
    x = 665,052.81

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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.