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Finding the Fourth Proportional to 339,079.53, 468,318.11 and 223,310.52

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Solution

The fourth proportional to 339,079.53, 468,318.11 and 223,310.52 is: 308,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,079.53 : 468,318.11 = 223,310.52 : x
  2. Step 2: Convert to fraction form
    339,079.53/468,318.11 = 223,310.52/x
  3. Step 3: Cross multiply
    339,079.53x = 468,318.11 × 223,310.52
  4. Step 4: Simplify right side
    339,079.53x = 104,580,358,327.93
  5. Step 5: Solve for x
    x = 104,580,358,327.93/339,079.53
  6. Step 6: Final answer
    x = 308,424.28

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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.