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Finding the Fourth Proportional to 293,859.88, 440,794.67 and 127,647.88

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Solution

The fourth proportional to 293,859.88, 440,794.67 and 127,647.88 is: 191,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,859.88 : 440,794.67 = 127,647.88 : x
  2. Step 2: Convert to fraction form
    293,859.88/440,794.67 = 127,647.88/x
  3. Step 3: Cross multiply
    293,859.88x = 440,794.67 × 127,647.88
  4. Step 4: Simplify right side
    293,859.88x = 56,266,505,140.80
  5. Step 5: Solve for x
    x = 56,266,505,140.80/293,859.88
  6. Step 6: Final answer
    x = 191,473.93

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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.