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Finding the Fourth Proportional to 350,456.88, 483,630.36 and 189,311.94

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Solution

The fourth proportional to 350,456.88, 483,630.36 and 189,311.94 is: 261,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,456.88 : 483,630.36 = 189,311.94 : x
  2. Step 2: Convert to fraction form
    350,456.88/483,630.36 = 189,311.94/x
  3. Step 3: Cross multiply
    350,456.88x = 483,630.36 × 189,311.94
  4. Step 4: Simplify right side
    350,456.88x = 91,557,001,694.50
  5. Step 5: Solve for x
    x = 91,557,001,694.50/350,456.88
  6. Step 6: Final answer
    x = 261,250.40

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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.