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Finding the Fourth Proportional to 339,499.26, 468,314.01 and 211,953.42

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Solution

The fourth proportional to 339,499.26, 468,314.01 and 211,953.42 is: 292,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,499.26 : 468,314.01 = 211,953.42 : x
  2. Step 2: Convert to fraction form
    339,499.26/468,314.01 = 211,953.42/x
  3. Step 3: Cross multiply
    339,499.26x = 468,314.01 × 211,953.42
  4. Step 4: Simplify right side
    339,499.26x = 99,260,756,053.41
  5. Step 5: Solve for x
    x = 99,260,756,053.41/339,499.26
  6. Step 6: Final answer
    x = 292,374.00

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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.