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Finding the Fourth Proportional to 404,168.36, 557,748.96 and 222,887.84

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Solution

The fourth proportional to 404,168.36, 557,748.96 and 222,887.84 is: 307,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,168.36 : 557,748.96 = 222,887.84 : x
  2. Step 2: Convert to fraction form
    404,168.36/557,748.96 = 222,887.84/x
  3. Step 3: Cross multiply
    404,168.36x = 557,748.96 × 222,887.84
  4. Step 4: Simplify right side
    404,168.36x = 124,315,460,956.65
  5. Step 5: Solve for x
    x = 124,315,460,956.65/404,168.36
  6. Step 6: Final answer
    x = 307,583.36

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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.