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Finding the Fourth Proportional to 303,818.28, 419,256.54 and 174,746.94

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Solution

The fourth proportional to 303,818.28, 419,256.54 and 174,746.94 is: 241,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,818.28 : 419,256.54 = 174,746.94 : x
  2. Step 2: Convert to fraction form
    303,818.28/419,256.54 = 174,746.94/x
  3. Step 3: Cross multiply
    303,818.28x = 419,256.54 × 174,746.94
  4. Step 4: Simplify right side
    303,818.28x = 73,263,797,439.99
  5. Step 5: Solve for x
    x = 73,263,797,439.99/303,818.28
  6. Step 6: Final answer
    x = 241,143.48

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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.