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Finding the Fourth Proportional to 403,304.54, 604,910.73 and 107,839.58

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Solution

The fourth proportional to 403,304.54, 604,910.73 and 107,839.58 is: 161,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,304.54 : 604,910.73 = 107,839.58 : x
  2. Step 2: Convert to fraction form
    403,304.54/604,910.73 = 107,839.58/x
  3. Step 3: Cross multiply
    403,304.54x = 604,910.73 × 107,839.58
  4. Step 4: Simplify right side
    403,304.54x = 65,233,319,060.69
  5. Step 5: Solve for x
    x = 65,233,319,060.69/403,304.54
  6. Step 6: Final answer
    x = 161,747.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.