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Finding the Fourth Proportional to 350,497.28, 483,686.49 and 189,352.28

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Solution

The fourth proportional to 350,497.28, 483,686.49 and 189,352.28 is: 261,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,497.28 : 483,686.49 = 189,352.28 : x
  2. Step 2: Convert to fraction form
    350,497.28/483,686.49 = 189,352.28/x
  3. Step 3: Cross multiply
    350,497.28x = 483,686.49 × 189,352.28
  4. Step 4: Simplify right side
    350,497.28x = 91,587,140,540.88
  5. Step 5: Solve for x
    x = 91,587,140,540.88/350,497.28
  6. Step 6: Final answer
    x = 261,306.28

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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.