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Finding the Fourth Proportional to 298,277.44, 411,554.66 and 169,185.11

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Solution

The fourth proportional to 298,277.44, 411,554.66 and 169,185.11 is: 233,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,277.44 : 411,554.66 = 169,185.11 : x
  2. Step 2: Convert to fraction form
    298,277.44/411,554.66 = 169,185.11/x
  3. Step 3: Cross multiply
    298,277.44x = 411,554.66 × 169,185.11
  4. Step 4: Simplify right side
    298,277.44x = 69,628,917,519.41
  5. Step 5: Solve for x
    x = 69,628,917,519.41/298,277.44
  6. Step 6: Final answer
    x = 233,436.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.