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Finding the Fourth Proportional to 350,453.76, 483,625.90 and 189,308.76

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Solution

The fourth proportional to 350,453.76, 483,625.90 and 189,308.76 is: 261,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,453.76 : 483,625.90 = 189,308.76 : x
  2. Step 2: Convert to fraction form
    350,453.76/483,625.90 = 189,308.76/x
  3. Step 3: Cross multiply
    350,453.76x = 483,625.90 × 189,308.76
  4. Step 4: Simplify right side
    350,453.76x = 91,554,619,432.88
  5. Step 5: Solve for x
    x = 91,554,619,432.88/350,453.76
  6. Step 6: Final answer
    x = 261,245.93

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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.