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Finding the Fourth Proportional to 350,351.86, 483,485.55 and 189,206.92

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Solution

The fourth proportional to 350,351.86, 483,485.55 and 189,206.92 is: 261,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,351.86 : 483,485.55 = 189,206.92 : x
  2. Step 2: Convert to fraction form
    350,351.86/483,485.55 = 189,206.92/x
  3. Step 3: Cross multiply
    350,351.86x = 483,485.55 × 189,206.92
  4. Step 4: Simplify right side
    350,351.86x = 91,478,811,780.01
  5. Step 5: Solve for x
    x = 91,478,811,780.01/350,351.86
  6. Step 6: Final answer
    x = 261,105.54

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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.