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Finding the Fourth Proportional to 339,622.23, 468,683.53 and 186,674.56

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Solution

The fourth proportional to 339,622.23, 468,683.53 and 186,674.56 is: 257,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,622.23 : 468,683.53 = 186,674.56 : x
  2. Step 2: Convert to fraction form
    339,622.23/468,683.53 = 186,674.56/x
  3. Step 3: Cross multiply
    339,622.23x = 468,683.53 × 186,674.56
  4. Step 4: Simplify right side
    339,622.23x = 87,491,291,861.16
  5. Step 5: Solve for x
    x = 87,491,291,861.16/339,622.23
  6. Step 6: Final answer
    x = 257,613.56

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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.