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Finding the Fourth Proportional to 300,249.76, 450,438.89 and 110,710.67

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Solution

The fourth proportional to 300,249.76, 450,438.89 and 110,710.67 is: 166,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,249.76 : 450,438.89 = 110,710.67 : x
  2. Step 2: Convert to fraction form
    300,249.76/450,438.89 = 110,710.67/x
  3. Step 3: Cross multiply
    300,249.76x = 450,438.89 × 110,710.67
  4. Step 4: Simplify right side
    300,249.76x = 49,868,391,730.62
  5. Step 5: Solve for x
    x = 49,868,391,730.62/300,249.76
  6. Step 6: Final answer
    x = 166,089.70

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1.5x scale

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.