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Finding the Fourth Proportional to 348,486.06, 481,057.56 and 235,461.90

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Solution

The fourth proportional to 348,486.06, 481,057.56 and 235,461.90 is: 325,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,486.06 : 481,057.56 = 235,461.90 : x
  2. Step 2: Convert to fraction form
    348,486.06/481,057.56 = 235,461.90/x
  3. Step 3: Cross multiply
    348,486.06x = 481,057.56 × 235,461.90
  4. Step 4: Simplify right side
    348,486.06x = 113,270,727,086.96
  5. Step 5: Solve for x
    x = 113,270,727,086.96/348,486.06
  6. Step 6: Final answer
    x = 325,036.61

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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.