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Finding the Fourth Proportional to 544,679.85, 751,647.39 and 302,957.22

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Solution

The fourth proportional to 544,679.85, 751,647.39 and 302,957.22 is: 418,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,679.85 : 751,647.39 = 302,957.22 : x
  2. Step 2: Convert to fraction form
    544,679.85/751,647.39 = 302,957.22/x
  3. Step 3: Cross multiply
    544,679.85x = 751,647.39 × 302,957.22
  4. Step 4: Simplify right side
    544,679.85x = 227,717,003,694.66
  5. Step 5: Solve for x
    x = 227,717,003,694.66/544,679.85
  6. Step 6: Final answer
    x = 418,074.95

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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.