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Finding the Fourth Proportional to 339,573.66, 468,614.43 and 212,323.02

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Solution

The fourth proportional to 339,573.66, 468,614.43 and 212,323.02 is: 293,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,573.66 : 468,614.43 = 212,323.02 : x
  2. Step 2: Convert to fraction form
    339,573.66/468,614.43 = 212,323.02/x
  3. Step 3: Cross multiply
    339,573.66x = 468,614.43 × 212,323.02
  4. Step 4: Simplify right side
    339,573.66x = 99,497,630,993.18
  5. Step 5: Solve for x
    x = 99,497,630,993.18/339,573.66
  6. Step 6: Final answer
    x = 293,007.51

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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.