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Finding the Fourth Proportional to 303,548.94, 419,039.28 and 176,200.02

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Solution

The fourth proportional to 303,548.94, 419,039.28 and 176,200.02 is: 243,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,548.94 : 419,039.28 = 176,200.02 : x
  2. Step 2: Convert to fraction form
    303,548.94/419,039.28 = 176,200.02/x
  3. Step 3: Cross multiply
    303,548.94x = 419,039.28 × 176,200.02
  4. Step 4: Simplify right side
    303,548.94x = 73,834,729,516.79
  5. Step 5: Solve for x
    x = 73,834,729,516.79/303,548.94
  6. Step 6: Final answer
    x = 243,238.30

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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.