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Finding the Fourth Proportional to 269,049.74, 403,597.82 and 69,368.40

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Solution

The fourth proportional to 269,049.74, 403,597.82 and 69,368.40 is: 104,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,049.74 : 403,597.82 = 69,368.40 : x
  2. Step 2: Convert to fraction form
    269,049.74/403,597.82 = 69,368.40/x
  3. Step 3: Cross multiply
    269,049.74x = 403,597.82 × 69,368.40
  4. Step 4: Simplify right side
    269,049.74x = 27,996,935,190.31
  5. Step 5: Solve for x
    x = 27,996,935,190.31/269,049.74
  6. Step 6: Final answer
    x = 104,058.59

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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.