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Finding the Fourth Proportional to 348,168.22, 480,619.11 and 235,144.06

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Solution

The fourth proportional to 348,168.22, 480,619.11 and 235,144.06 is: 324,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,168.22 : 480,619.11 = 235,144.06 : x
  2. Step 2: Convert to fraction form
    348,168.22/480,619.11 = 235,144.06/x
  3. Step 3: Cross multiply
    348,168.22x = 480,619.11 × 235,144.06
  4. Step 4: Simplify right side
    348,168.22x = 113,014,728,838.99
  5. Step 5: Solve for x
    x = 113,014,728,838.99/348,168.22
  6. Step 6: Final answer
    x = 324,598.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.