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Finding the Fourth Proportional to 404,036.78, 557,574.64 and 222,755.74

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Solution

The fourth proportional to 404,036.78, 557,574.64 and 222,755.74 is: 307,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,036.78 : 557,574.64 = 222,755.74 : x
  2. Step 2: Convert to fraction form
    404,036.78/557,574.64 = 222,755.74/x
  3. Step 3: Cross multiply
    404,036.78x = 557,574.64 × 222,755.74
  4. Step 4: Simplify right side
    404,036.78x = 124,202,949,587.61
  5. Step 5: Solve for x
    x = 124,202,949,587.61/404,036.78
  6. Step 6: Final answer
    x = 307,405.06

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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.