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Finding the Fourth Proportional to 404,091.54, 557,650.08 and 222,809.96

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Solution

The fourth proportional to 404,091.54, 557,650.08 and 222,809.96 is: 307,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,091.54 : 557,650.08 = 222,809.96 : x
  2. Step 2: Convert to fraction form
    404,091.54/557,650.08 = 222,809.96/x
  3. Step 3: Cross multiply
    404,091.54x = 557,650.08 × 222,809.96
  4. Step 4: Simplify right side
    404,091.54x = 124,249,989,230.55
  5. Step 5: Solve for x
    x = 124,249,989,230.55/404,091.54
  6. Step 6: Final answer
    x = 307,479.81

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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.