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Finding the Fourth Proportional to 354,149.72, 531,536.22 and 185,790.36

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Solution

The fourth proportional to 354,149.72, 531,536.22 and 185,790.36 is: 278,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,149.72 : 531,536.22 = 185,790.36 : x
  2. Step 2: Convert to fraction form
    354,149.72/531,536.22 = 185,790.36/x
  3. Step 3: Cross multiply
    354,149.72x = 531,536.22 × 185,790.36
  4. Step 4: Simplify right side
    354,149.72x = 98,754,305,666.84
  5. Step 5: Solve for x
    x = 98,754,305,666.84/354,149.72
  6. Step 6: Final answer
    x = 278,849.03

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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.