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Finding the Fourth Proportional to 350,687.61, 483,948.69 and 189,542.67

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Solution

The fourth proportional to 350,687.61, 483,948.69 and 189,542.67 is: 261,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,687.61 : 483,948.69 = 189,542.67 : x
  2. Step 2: Convert to fraction form
    350,687.61/483,948.69 = 189,542.67/x
  3. Step 3: Cross multiply
    350,687.61x = 483,948.69 × 189,542.67
  4. Step 4: Simplify right side
    350,687.61x = 91,728,924,425.86
  5. Step 5: Solve for x
    x = 91,728,924,425.86/350,687.61
  6. Step 6: Final answer
    x = 261,568.76

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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.