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Finding the Fourth Proportional to 594,288.38, 891,563.79 and 220,311.38

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Solution

The fourth proportional to 594,288.38, 891,563.79 and 220,311.38 is: 330,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,288.38 : 891,563.79 = 220,311.38 : x
  2. Step 2: Convert to fraction form
    594,288.38/891,563.79 = 220,311.38/x
  3. Step 3: Cross multiply
    594,288.38x = 891,563.79 × 220,311.38
  4. Step 4: Simplify right side
    594,288.38x = 196,421,644,475.11
  5. Step 5: Solve for x
    x = 196,421,644,475.11/594,288.38
  6. Step 6: Final answer
    x = 330,515.71

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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.