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Finding the Fourth Proportional to 339,576.16, 468,617.88 and 212,325.52

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Solution

The fourth proportional to 339,576.16, 468,617.88 and 212,325.52 is: 293,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,576.16 : 468,617.88 = 212,325.52 : x
  2. Step 2: Convert to fraction form
    339,576.16/468,617.88 = 212,325.52/x
  3. Step 3: Cross multiply
    339,576.16x = 468,617.88 × 212,325.52
  4. Step 4: Simplify right side
    339,576.16x = 99,499,535,052.30
  5. Step 5: Solve for x
    x = 99,499,535,052.30/339,576.16
  6. Step 6: Final answer
    x = 293,010.96

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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.