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Finding the Fourth Proportional to 269,679.67, 404,390.25 and 127,406.51

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Solution

The fourth proportional to 269,679.67, 404,390.25 and 127,406.51 is: 191,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,679.67 : 404,390.25 = 127,406.51 : x
  2. Step 2: Convert to fraction form
    269,679.67/404,390.25 = 127,406.51/x
  3. Step 3: Cross multiply
    269,679.67x = 404,390.25 × 127,406.51
  4. Step 4: Simplify right side
    269,679.67x = 51,521,950,430.53
  5. Step 5: Solve for x
    x = 51,521,950,430.53/269,679.67
  6. Step 6: Final answer
    x = 191,048.70

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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.