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Finding the Fourth Proportional to 339,079.96, 468,318.71 and 223,310.95

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Solution

The fourth proportional to 339,079.96, 468,318.71 and 223,310.95 is: 308,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,079.96 : 468,318.71 = 223,310.95 : x
  2. Step 2: Convert to fraction form
    339,079.96/468,318.71 = 223,310.95/x
  3. Step 3: Cross multiply
    339,079.96x = 468,318.71 × 223,310.95
  4. Step 4: Simplify right side
    339,079.96x = 104,580,692,574.73
  5. Step 5: Solve for x
    x = 104,580,692,574.73/339,079.96
  6. Step 6: Final answer
    x = 308,424.87

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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.