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Finding the Fourth Proportional to 404,046.70, 557,574.15 and 222,754.39

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Solution

The fourth proportional to 404,046.70, 557,574.15 and 222,754.39 is: 307,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,046.70 : 557,574.15 = 222,754.39 : x
  2. Step 2: Convert to fraction form
    404,046.70/557,574.15 = 222,754.39/x
  3. Step 3: Cross multiply
    404,046.70x = 557,574.15 × 222,754.39
  4. Step 4: Simplify right side
    404,046.70x = 124,202,089,663.02
  5. Step 5: Solve for x
    x = 124,202,089,663.02/404,046.70
  6. Step 6: Final answer
    x = 307,395.38

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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.