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Finding the Fourth Proportional to 333,968.75, 500,178.10 and 331,479.67

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Solution

The fourth proportional to 333,968.75, 500,178.10 and 331,479.67 is: 496,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,968.75 : 500,178.10 = 331,479.67 : x
  2. Step 2: Convert to fraction form
    333,968.75/500,178.10 = 331,479.67/x
  3. Step 3: Cross multiply
    333,968.75x = 500,178.10 × 331,479.67
  4. Step 4: Simplify right side
    333,968.75x = 165,798,871,529.23
  5. Step 5: Solve for x
    x = 165,798,871,529.23/333,968.75
  6. Step 6: Final answer
    x = 496,450.26

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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.