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Finding the Fourth Proportional to 512,613.94, 768,941.85 and 175,886.14

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Solution

The fourth proportional to 512,613.94, 768,941.85 and 175,886.14 is: 263,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,613.94 : 768,941.85 = 175,886.14 : x
  2. Step 2: Convert to fraction form
    512,613.94/768,941.85 = 175,886.14/x
  3. Step 3: Cross multiply
    512,613.94x = 768,941.85 × 175,886.14
  4. Step 4: Simplify right side
    512,613.94x = 135,246,213,880.96
  5. Step 5: Solve for x
    x = 135,246,213,880.96/512,613.94
  6. Step 6: Final answer
    x = 263,836.39

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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.