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Finding the Fourth Proportional to 367,369.92, 550,529.10 and 209,271.72

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Solution

The fourth proportional to 367,369.92, 550,529.10 and 209,271.72 is: 313,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,369.92 : 550,529.10 = 209,271.72 : x
  2. Step 2: Convert to fraction form
    367,369.92/550,529.10 = 209,271.72/x
  3. Step 3: Cross multiply
    367,369.92x = 550,529.10 × 209,271.72
  4. Step 4: Simplify right side
    367,369.92x = 115,210,171,667.05
  5. Step 5: Solve for x
    x = 115,210,171,667.05/367,369.92
  6. Step 6: Final answer
    x = 313,608.07

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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.