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Finding the Fourth Proportional to 350,147.54, 483,427.07 and 285,770.56

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Solution

The fourth proportional to 350,147.54, 483,427.07 and 285,770.56 is: 394,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,147.54 : 483,427.07 = 285,770.56 : x
  2. Step 2: Convert to fraction form
    350,147.54/483,427.07 = 285,770.56/x
  3. Step 3: Cross multiply
    350,147.54x = 483,427.07 × 285,770.56
  4. Step 4: Simplify right side
    350,147.54x = 138,149,224,513.06
  5. Step 5: Solve for x
    x = 138,149,224,513.06/350,147.54
  6. Step 6: Final answer
    x = 394,545.75

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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.