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Finding the Fourth Proportional to 577,615.88, 797,109.90 and 322,967

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Solution

The fourth proportional to 577,615.88, 797,109.90 and 322,967 is: 445,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,615.88 : 797,109.90 = 322,967 : x
  2. Step 2: Convert to fraction form
    577,615.88/797,109.90 = 322,967/x
  3. Step 3: Cross multiply
    577,615.88x = 797,109.90 × 322,967
  4. Step 4: Simplify right side
    577,615.88x = 257,440,193,073.30
  5. Step 5: Solve for x
    x = 257,440,193,073.30/577,615.88
  6. Step 6: Final answer
    x = 445,694.45

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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.