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Finding the Fourth Proportional to 333,967.75, 500,176.60 and 331,478.67

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Solution

The fourth proportional to 333,967.75, 500,176.60 and 331,478.67 is: 496,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,967.75 : 500,176.60 = 331,478.67 : x
  2. Step 2: Convert to fraction form
    333,967.75/500,176.60 = 331,478.67/x
  3. Step 3: Cross multiply
    333,967.75x = 500,176.60 × 331,478.67
  4. Step 4: Simplify right side
    333,967.75x = 165,797,871,632.24
  5. Step 5: Solve for x
    x = 165,797,871,632.24/333,967.75
  6. Step 6: Final answer
    x = 496,448.76

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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.