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Finding the Fourth Proportional to 404,106.90, 557,671.44 and 222,826.08

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Solution

The fourth proportional to 404,106.90, 557,671.44 and 222,826.08 is: 307,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,106.90 : 557,671.44 = 222,826.08 : x
  2. Step 2: Convert to fraction form
    404,106.90/557,671.44 = 222,826.08/x
  3. Step 3: Cross multiply
    404,106.90x = 557,671.44 × 222,826.08
  4. Step 4: Simplify right side
    404,106.90x = 124,263,740,903.16
  5. Step 5: Solve for x
    x = 124,263,740,903.16/404,106.90
  6. Step 6: Final answer
    x = 307,502.15

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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.