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Finding the Fourth Proportional to 411,781.50, 567,869.67 and 268,651.26

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Solution

The fourth proportional to 411,781.50, 567,869.67 and 268,651.26 is: 370,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,781.50 : 567,869.67 = 268,651.26 : x
  2. Step 2: Convert to fraction form
    411,781.50/567,869.67 = 268,651.26/x
  3. Step 3: Cross multiply
    411,781.50x = 567,869.67 × 268,651.26
  4. Step 4: Simplify right side
    411,781.50x = 152,558,902,361.28
  5. Step 5: Solve for x
    x = 152,558,902,361.28/411,781.50
  6. Step 6: Final answer
    x = 370,485.08

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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.