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Finding the Fourth Proportional to 321,955.86, 482,933.77 and 111,593.79

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Solution

The fourth proportional to 321,955.86, 482,933.77 and 111,593.79 is: 167,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,955.86 : 482,933.77 = 111,593.79 : x
  2. Step 2: Convert to fraction form
    321,955.86/482,933.77 = 111,593.79/x
  3. Step 3: Cross multiply
    321,955.86x = 482,933.77 × 111,593.79
  4. Step 4: Simplify right side
    321,955.86x = 53,892,409,713.29
  5. Step 5: Solve for x
    x = 53,892,409,713.29/321,955.86
  6. Step 6: Final answer
    x = 167,390.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.