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Finding the Fourth Proportional to 512,348.40, 768,522.60 and 362,757.60

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Solution

The fourth proportional to 512,348.40, 768,522.60 and 362,757.60 is: 544,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,348.40 : 768,522.60 = 362,757.60 : x
  2. Step 2: Convert to fraction form
    512,348.40/768,522.60 = 362,757.60/x
  3. Step 3: Cross multiply
    512,348.40x = 768,522.60 × 362,757.60
  4. Step 4: Simplify right side
    512,348.40x = 278,787,413,921.76
  5. Step 5: Solve for x
    x = 278,787,413,921.76/512,348.40
  6. Step 6: Final answer
    x = 544,136.40

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1.5x scale

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.