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Finding the Fourth Proportional to 350,451.56, 483,622.79 and 189,306.59

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Solution

The fourth proportional to 350,451.56, 483,622.79 and 189,306.59 is: 261,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,451.56 : 483,622.79 = 189,306.59 : x
  2. Step 2: Convert to fraction form
    350,451.56/483,622.79 = 189,306.59/x
  3. Step 3: Cross multiply
    350,451.56x = 483,622.79 × 189,306.59
  4. Step 4: Simplify right side
    350,451.56x = 91,552,977,856.54
  5. Step 5: Solve for x
    x = 91,552,977,856.54/350,451.56
  6. Step 6: Final answer
    x = 261,242.89

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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.