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Finding the Fourth Proportional to 264,110.40, 397,040.40 and 225,619.20

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Solution

The fourth proportional to 264,110.40, 397,040.40 and 225,619.20 is: 339,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,110.40 : 397,040.40 = 225,619.20 : x
  2. Step 2: Convert to fraction form
    264,110.40/397,040.40 = 225,619.20/x
  3. Step 3: Cross multiply
    264,110.40x = 397,040.40 × 225,619.20
  4. Step 4: Simplify right side
    264,110.40x = 89,579,937,415.68
  5. Step 5: Solve for x
    x = 89,579,937,415.68/264,110.40
  6. Step 6: Final answer
    x = 339,176.11

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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.