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Finding the Fourth Proportional to 266,781.80, 374,116.60 and 266,781.80

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Solution

The fourth proportional to 266,781.80, 374,116.60 and 266,781.80 is: 374,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,781.80 : 374,116.60 = 266,781.80 : x
  2. Step 2: Convert to fraction form
    266,781.80/374,116.60 = 266,781.80/x
  3. Step 3: Cross multiply
    266,781.80x = 374,116.60 × 266,781.80
  4. Step 4: Simplify right side
    266,781.80x = 99,807,499,957.88
  5. Step 5: Solve for x
    x = 99,807,499,957.88/266,781.80
  6. Step 6: Final answer
    x = 374,116.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.