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Finding the Fourth Proportional to 605,990.48, 908,984.22 and 179,559.50

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Solution

The fourth proportional to 605,990.48, 908,984.22 and 179,559.50 is: 269,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,990.48 : 908,984.22 = 179,559.50 : x
  2. Step 2: Convert to fraction form
    605,990.48/908,984.22 = 179,559.50/x
  3. Step 3: Cross multiply
    605,990.48x = 908,984.22 × 179,559.50
  4. Step 4: Simplify right side
    605,990.48x = 163,216,752,051.09
  5. Step 5: Solve for x
    x = 163,216,752,051.09/605,990.48
  6. Step 6: Final answer
    x = 269,338.81

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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.