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Finding the Fourth Proportional to 544,691.88, 751,663.92 and 302,969.24

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Solution

The fourth proportional to 544,691.88, 751,663.92 and 302,969.24 is: 418,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,691.88 : 751,663.92 = 302,969.24 : x
  2. Step 2: Convert to fraction form
    544,691.88/751,663.92 = 302,969.24/x
  3. Step 3: Cross multiply
    544,691.88x = 751,663.92 × 302,969.24
  4. Step 4: Simplify right side
    544,691.88x = 227,731,046,577.82
  5. Step 5: Solve for x
    x = 227,731,046,577.82/544,691.88
  6. Step 6: Final answer
    x = 418,091.50

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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.