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Finding the Fourth Proportional to 524,474.80, 786,716.52 and 150,509.68

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Solution

The fourth proportional to 524,474.80, 786,716.52 and 150,509.68 is: 225,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,474.80 : 786,716.52 = 150,509.68 : x
  2. Step 2: Convert to fraction form
    524,474.80/786,716.52 = 150,509.68/x
  3. Step 3: Cross multiply
    524,474.80x = 786,716.52 × 150,509.68
  4. Step 4: Simplify right side
    524,474.80x = 118,408,451,675.91
  5. Step 5: Solve for x
    x = 118,408,451,675.91/524,474.80
  6. Step 6: Final answer
    x = 225,765.76

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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.