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Finding the Fourth Proportional to 348,771.80, 481,451.32 and 235,747.64

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Solution

The fourth proportional to 348,771.80, 481,451.32 and 235,747.64 is: 325,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,771.80 : 481,451.32 = 235,747.64 : x
  2. Step 2: Convert to fraction form
    348,771.80/481,451.32 = 235,747.64/x
  3. Step 3: Cross multiply
    348,771.80x = 481,451.32 × 235,747.64
  4. Step 4: Simplify right side
    348,771.80x = 113,501,012,464.89
  5. Step 5: Solve for x
    x = 113,501,012,464.89/348,771.80
  6. Step 6: Final answer
    x = 325,430.59

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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.