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Finding the Fourth Proportional to 433,059.52, 648,682.08 and 275,206.72

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Solution

The fourth proportional to 433,059.52, 648,682.08 and 275,206.72 is: 412,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,059.52 : 648,682.08 = 275,206.72 : x
  2. Step 2: Convert to fraction form
    433,059.52/648,682.08 = 275,206.72/x
  3. Step 3: Cross multiply
    433,059.52x = 648,682.08 × 275,206.72
  4. Step 4: Simplify right side
    433,059.52x = 178,521,667,559.58
  5. Step 5: Solve for x
    x = 178,521,667,559.58/433,059.52
  6. Step 6: Final answer
    x = 412,233.56

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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.