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Finding the Fourth Proportional to 348,777.80, 481,459.60 and 235,753.64

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Solution

The fourth proportional to 348,777.80, 481,459.60 and 235,753.64 is: 325,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,777.80 : 481,459.60 = 235,753.64 : x
  2. Step 2: Convert to fraction form
    348,777.80/481,459.60 = 235,753.64/x
  3. Step 3: Cross multiply
    348,777.80x = 481,459.60 × 235,753.64
  4. Step 4: Simplify right side
    348,777.80x = 113,505,853,212.94
  5. Step 5: Solve for x
    x = 113,505,853,212.94/348,777.80
  6. Step 6: Final answer
    x = 325,438.87

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1.5x scale

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.