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Finding the Fourth Proportional to 411,610.80, 567,844.99 and 290,855.60

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Solution

The fourth proportional to 411,610.80, 567,844.99 and 290,855.60 is: 401,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,610.80 : 567,844.99 = 290,855.60 : x
  2. Step 2: Convert to fraction form
    411,610.80/567,844.99 = 290,855.60/x
  3. Step 3: Cross multiply
    411,610.80x = 567,844.99 × 290,855.60
  4. Step 4: Simplify right side
    411,610.80x = 165,160,895,273.44
  5. Step 5: Solve for x
    x = 165,160,895,273.44/411,610.80
  6. Step 6: Final answer
    x = 401,255.01

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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.