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Finding the Fourth Proportional to 339,333.92, 468,318 and 194,153.12

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Solution

The fourth proportional to 339,333.92, 468,318 and 194,153.12 is: 267,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,333.92 : 468,318 = 194,153.12 : x
  2. Step 2: Convert to fraction form
    339,333.92/468,318 = 194,153.12/x
  3. Step 3: Cross multiply
    339,333.92x = 468,318 × 194,153.12
  4. Step 4: Simplify right side
    339,333.92x = 90,925,400,852.16
  5. Step 5: Solve for x
    x = 90,925,400,852.16/339,333.92
  6. Step 6: Final answer
    x = 267,952.58

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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.