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Finding the Fourth Proportional to 404,043.76, 557,584.20 and 222,762.12

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Solution

The fourth proportional to 404,043.76, 557,584.20 and 222,762.12 is: 307,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,043.76 : 557,584.20 = 222,762.12 : x
  2. Step 2: Convert to fraction form
    404,043.76/557,584.20 = 222,762.12/x
  3. Step 3: Cross multiply
    404,043.76x = 557,584.20 × 222,762.12
  4. Step 4: Simplify right side
    404,043.76x = 124,208,638,470.50
  5. Step 5: Solve for x
    x = 124,208,638,470.50/404,043.76
  6. Step 6: Final answer
    x = 307,413.83

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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.