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Finding the Fourth Proportional to 339,573.10, 468,613.65 and 212,322.46

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Solution

The fourth proportional to 339,573.10, 468,613.65 and 212,322.46 is: 293,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,573.10 : 468,613.65 = 212,322.46 : x
  2. Step 2: Convert to fraction form
    339,573.10/468,613.65 = 212,322.46/x
  3. Step 3: Cross multiply
    339,573.10x = 468,613.65 × 212,322.46
  4. Step 4: Simplify right side
    339,573.10x = 99,497,202,582.25
  5. Step 5: Solve for x
    x = 99,497,202,582.25/339,573.10
  6. Step 6: Final answer
    x = 293,006.73

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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.