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Finding the Fourth Proportional to 609,781.88, 914,525.80 and 254,603.36

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Solution

The fourth proportional to 609,781.88, 914,525.80 and 254,603.36 is: 381,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,781.88 : 914,525.80 = 254,603.36 : x
  2. Step 2: Convert to fraction form
    609,781.88/914,525.80 = 254,603.36/x
  3. Step 3: Cross multiply
    609,781.88x = 914,525.80 × 254,603.36
  4. Step 4: Simplify right side
    609,781.88x = 232,841,343,136.49
  5. Step 5: Solve for x
    x = 232,841,343,136.49/609,781.88
  6. Step 6: Final answer
    x = 381,843.66

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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.