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Finding the Fourth Proportional to 333,083.40, 499,625.10 and 231,606.60

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Solution

The fourth proportional to 333,083.40, 499,625.10 and 231,606.60 is: 347,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,083.40 : 499,625.10 = 231,606.60 : x
  2. Step 2: Convert to fraction form
    333,083.40/499,625.10 = 231,606.60/x
  3. Step 3: Cross multiply
    333,083.40x = 499,625.10 × 231,606.60
  4. Step 4: Simplify right side
    333,083.40x = 115,716,470,685.66
  5. Step 5: Solve for x
    x = 115,716,470,685.66/333,083.40
  6. Step 6: Final answer
    x = 347,409.90

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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.