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Finding the Fourth Proportional to 404,063.37, 557,606.70 and 222,774.03

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Solution

The fourth proportional to 404,063.37, 557,606.70 and 222,774.03 is: 307,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,063.37 : 557,606.70 = 222,774.03 : x
  2. Step 2: Convert to fraction form
    404,063.37/557,606.70 = 222,774.03/x
  3. Step 3: Cross multiply
    404,063.37x = 557,606.70 × 222,774.03
  4. Step 4: Simplify right side
    404,063.37x = 124,220,291,714.00
  5. Step 5: Solve for x
    x = 124,220,291,714.00/404,063.37
  6. Step 6: Final answer
    x = 307,427.75

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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.