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Finding the Fourth Proportional to 483,817.75, 667,685.63 and 266,042.95

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Solution

The fourth proportional to 483,817.75, 667,685.63 and 266,042.95 is: 367,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,817.75 : 667,685.63 = 266,042.95 : x
  2. Step 2: Convert to fraction form
    483,817.75/667,685.63 = 266,042.95/x
  3. Step 3: Cross multiply
    483,817.75x = 667,685.63 × 266,042.95
  4. Step 4: Simplify right side
    483,817.75x = 177,633,054,677.81
  5. Step 5: Solve for x
    x = 177,633,054,677.81/483,817.75
  6. Step 6: Final answer
    x = 367,148.69

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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.