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Finding the Fourth Proportional to 544,690.88, 751,662.54 and 302,968.24

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Solution

The fourth proportional to 544,690.88, 751,662.54 and 302,968.24 is: 418,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,690.88 : 751,662.54 = 302,968.24 : x
  2. Step 2: Convert to fraction form
    544,690.88/751,662.54 = 302,968.24/x
  3. Step 3: Cross multiply
    544,690.88x = 751,662.54 × 302,968.24
  4. Step 4: Simplify right side
    544,690.88x = 227,729,876,817.73
  5. Step 5: Solve for x
    x = 227,729,876,817.73/544,690.88
  6. Step 6: Final answer
    x = 418,090.12

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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.