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Finding the Fourth Proportional to 344,407.72, 516,120.96 and 253,737.39

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Solution

The fourth proportional to 344,407.72, 516,120.96 and 253,737.39 is: 380,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,407.72 : 516,120.96 = 253,737.39 : x
  2. Step 2: Convert to fraction form
    344,407.72/516,120.96 = 253,737.39/x
  3. Step 3: Cross multiply
    344,407.72x = 516,120.96 × 253,737.39
  4. Step 4: Simplify right side
    344,407.72x = 130,959,183,846.89
  5. Step 5: Solve for x
    x = 130,959,183,846.89/344,407.72
  6. Step 6: Final answer
    x = 380,244.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.