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Finding the Fourth Proportional to 341,424.80, 512,137.20 and 235,136.60

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Solution

The fourth proportional to 341,424.80, 512,137.20 and 235,136.60 is: 352,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,424.80 : 512,137.20 = 235,136.60 : x
  2. Step 2: Convert to fraction form
    341,424.80/512,137.20 = 235,136.60/x
  3. Step 3: Cross multiply
    341,424.80x = 512,137.20 × 235,136.60
  4. Step 4: Simplify right side
    341,424.80x = 120,422,199,941.52
  5. Step 5: Solve for x
    x = 120,422,199,941.52/341,424.80
  6. Step 6: Final answer
    x = 352,704.90

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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.