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Finding the Fourth Proportional to 411,633.60, 617,968.80 and 222,244.80

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Solution

The fourth proportional to 411,633.60, 617,968.80 and 222,244.80 is: 333,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,633.60 : 617,968.80 = 222,244.80 : x
  2. Step 2: Convert to fraction form
    411,633.60/617,968.80 = 222,244.80/x
  3. Step 3: Cross multiply
    411,633.60x = 617,968.80 × 222,244.80
  4. Step 4: Simplify right side
    411,633.60x = 137,340,352,362.24
  5. Step 5: Solve for x
    x = 137,340,352,362.24/411,633.60
  6. Step 6: Final answer
    x = 333,647.09

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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.