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Finding the Fourth Proportional to 541,181.78, 746,219.68 and 404,778.60

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Solution

The fourth proportional to 541,181.78, 746,219.68 and 404,778.60 is: 558,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,181.78 : 746,219.68 = 404,778.60 : x
  2. Step 2: Convert to fraction form
    541,181.78/746,219.68 = 404,778.60/x
  3. Step 3: Cross multiply
    541,181.78x = 746,219.68 × 404,778.60
  4. Step 4: Simplify right side
    541,181.78x = 302,053,757,362.85
  5. Step 5: Solve for x
    x = 302,053,757,362.85/541,181.78
  6. Step 6: Final answer
    x = 558,137.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.