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Finding the Fourth Proportional to 339,583.41, 468,627.89 and 212,332.77

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Solution

The fourth proportional to 339,583.41, 468,627.89 and 212,332.77 is: 293,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,583.41 : 468,627.89 = 212,332.77 : x
  2. Step 2: Convert to fraction form
    339,583.41/468,627.89 = 212,332.77/x
  3. Step 3: Cross multiply
    339,583.41x = 468,627.89 × 212,332.77
  4. Step 4: Simplify right side
    339,583.41x = 99,505,056,921.29
  5. Step 5: Solve for x
    x = 99,505,056,921.29/339,583.41
  6. Step 6: Final answer
    x = 293,020.96

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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.