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Finding the Fourth Proportional to 544,691.17, 751,662.75 and 302,968.54

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Solution

The fourth proportional to 544,691.17, 751,662.75 and 302,968.54 is: 418,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,691.17 : 751,662.75 = 302,968.54 : x
  2. Step 2: Convert to fraction form
    544,691.17/751,662.75 = 302,968.54/x
  3. Step 3: Cross multiply
    544,691.17x = 751,662.75 × 302,968.54
  4. Step 4: Simplify right side
    544,691.17x = 227,730,165,939.89
  5. Step 5: Solve for x
    x = 227,730,165,939.89/544,691.17
  6. Step 6: Final answer
    x = 418,090.43

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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.