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Finding the Fourth Proportional to 269,670.69, 404,502.80 and 69,973.29

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Solution

The fourth proportional to 269,670.69, 404,502.80 and 69,973.29 is: 104,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,670.69 : 404,502.80 = 69,973.29 : x
  2. Step 2: Convert to fraction form
    269,670.69/404,502.80 = 69,973.29/x
  3. Step 3: Cross multiply
    269,670.69x = 404,502.80 × 69,973.29
  4. Step 4: Simplify right side
    269,670.69x = 28,304,391,380.35
  5. Step 5: Solve for x
    x = 28,304,391,380.35/269,670.69
  6. Step 6: Final answer
    x = 104,959.09

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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.