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Finding the Fourth Proportional to 433,062.52, 648,686.58 and 275,209.72

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Solution

The fourth proportional to 433,062.52, 648,686.58 and 275,209.72 is: 412,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,062.52 : 648,686.58 = 275,209.72 : x
  2. Step 2: Convert to fraction form
    433,062.52/648,686.58 = 275,209.72/x
  3. Step 3: Cross multiply
    433,062.52x = 648,686.58 × 275,209.72
  4. Step 4: Simplify right side
    433,062.52x = 178,524,852,049.56
  5. Step 5: Solve for x
    x = 178,524,852,049.56/433,062.52
  6. Step 6: Final answer
    x = 412,238.06

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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.