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Finding the Fourth Proportional to 512,653.20, 769,059.72 and 246,364.08

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Solution

The fourth proportional to 512,653.20, 769,059.72 and 246,364.08 is: 369,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,653.20 : 769,059.72 = 246,364.08 : x
  2. Step 2: Convert to fraction form
    512,653.20/769,059.72 = 246,364.08/x
  3. Step 3: Cross multiply
    512,653.20x = 769,059.72 × 246,364.08
  4. Step 4: Simplify right side
    512,653.20x = 189,468,690,382.86
  5. Step 5: Solve for x
    x = 189,468,690,382.86/512,653.20
  6. Step 6: Final answer
    x = 369,584.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.