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Finding the Fourth Proportional to 404,076.33, 557,658.54 and 222,823.80

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Solution

The fourth proportional to 404,076.33, 557,658.54 and 222,823.80 is: 307,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,076.33 : 557,658.54 = 222,823.80 : x
  2. Step 2: Convert to fraction form
    404,076.33/557,658.54 = 222,823.80/x
  3. Step 3: Cross multiply
    404,076.33x = 557,658.54 × 222,823.80
  4. Step 4: Simplify right side
    404,076.33x = 124,259,594,985.25
  5. Step 5: Solve for x
    x = 124,259,594,985.25/404,076.33
  6. Step 6: Final answer
    x = 307,515.15

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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.