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Finding the Fourth Proportional to 303,912.50, 419,415.39 and 174,870.59

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Solution

The fourth proportional to 303,912.50, 419,415.39 and 174,870.59 is: 241,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,912.50 : 419,415.39 = 174,870.59 : x
  2. Step 2: Convert to fraction form
    303,912.50/419,415.39 = 174,870.59/x
  3. Step 3: Cross multiply
    303,912.50x = 419,415.39 × 174,870.59
  4. Step 4: Simplify right side
    303,912.50x = 73,343,414,607.30
  5. Step 5: Solve for x
    x = 73,343,414,607.30/303,912.50
  6. Step 6: Final answer
    x = 241,330.70

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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.