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Finding the Fourth Proportional to 333,469.30, 500,738.55 and 308,910.10

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Solution

The fourth proportional to 333,469.30, 500,738.55 and 308,910.10 is: 463,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,469.30 : 500,738.55 = 308,910.10 : x
  2. Step 2: Convert to fraction form
    333,469.30/500,738.55 = 308,910.10/x
  3. Step 3: Cross multiply
    333,469.30x = 500,738.55 × 308,910.10
  4. Step 4: Simplify right side
    333,469.30x = 154,683,195,554.36
  5. Step 5: Solve for x
    x = 154,683,195,554.36/333,469.30
  6. Step 6: Final answer
    x = 463,860.38

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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.