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Finding the Fourth Proportional to 345,203.94, 476,285.18 and 222,644.46

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Solution

The fourth proportional to 345,203.94, 476,285.18 and 222,644.46 is: 307,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,203.94 : 476,285.18 = 222,644.46 : x
  2. Step 2: Convert to fraction form
    345,203.94/476,285.18 = 222,644.46/x
  3. Step 3: Cross multiply
    345,203.94x = 476,285.18 × 222,644.46
  4. Step 4: Simplify right side
    345,203.94x = 106,042,256,707.10
  5. Step 5: Solve for x
    x = 106,042,256,707.10/345,203.94
  6. Step 6: Final answer
    x = 307,187.27

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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.