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Finding the Fourth Proportional to 367,006.05, 550,509.09 and 311,018.85

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Solution

The fourth proportional to 367,006.05, 550,509.09 and 311,018.85 is: 466,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,006.05 : 550,509.09 = 311,018.85 : x
  2. Step 2: Convert to fraction form
    367,006.05/550,509.09 = 311,018.85/x
  3. Step 3: Cross multiply
    367,006.05x = 550,509.09 × 311,018.85
  4. Step 4: Simplify right side
    367,006.05x = 171,218,704,086.35
  5. Step 5: Solve for x
    x = 171,218,704,086.35/367,006.05
  6. Step 6: Final answer
    x = 466,528.29

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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.