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Finding the Fourth Proportional to 298,231.19, 411,555.83 and 177,369.81

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Solution

The fourth proportional to 298,231.19, 411,555.83 and 177,369.81 is: 244,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,231.19 : 411,555.83 = 177,369.81 : x
  2. Step 2: Convert to fraction form
    298,231.19/411,555.83 = 177,369.81/x
  3. Step 3: Cross multiply
    298,231.19x = 411,555.83 × 177,369.81
  4. Step 4: Simplify right side
    298,231.19x = 72,997,578,484.64
  5. Step 5: Solve for x
    x = 72,997,578,484.64/298,231.19
  6. Step 6: Final answer
    x = 244,768.43

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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.