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Finding the Fourth Proportional to 411,481.60, 576,467.90 and 411,481.60

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Solution

The fourth proportional to 411,481.60, 576,467.90 and 411,481.60 is: 576,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,481.60 : 576,467.90 = 411,481.60 : x
  2. Step 2: Convert to fraction form
    411,481.60/576,467.90 = 411,481.60/x
  3. Step 3: Cross multiply
    411,481.60x = 576,467.90 × 411,481.60
  4. Step 4: Simplify right side
    411,481.60x = 237,205,933,840.64
  5. Step 5: Solve for x
    x = 237,205,933,840.64/411,481.60
  6. Step 6: Final answer
    x = 576,467.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.