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Finding the Fourth Proportional to 512,596.44, 768,915.60 and 175,868.64

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Solution

The fourth proportional to 512,596.44, 768,915.60 and 175,868.64 is: 263,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,596.44 : 768,915.60 = 175,868.64 : x
  2. Step 2: Convert to fraction form
    512,596.44/768,915.60 = 175,868.64/x
  3. Step 3: Cross multiply
    512,596.44x = 768,915.60 × 175,868.64
  4. Step 4: Simplify right side
    512,596.44x = 135,228,140,846.78
  5. Step 5: Solve for x
    x = 135,228,140,846.78/512,596.44
  6. Step 6: Final answer
    x = 263,810.14

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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.