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Finding the Fourth Proportional to 404,208.96, 557,801 and 222,937.68

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Solution

The fourth proportional to 404,208.96, 557,801 and 222,937.68 is: 307,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,208.96 : 557,801 = 222,937.68 : x
  2. Step 2: Convert to fraction form
    404,208.96/557,801 = 222,937.68/x
  3. Step 3: Cross multiply
    404,208.96x = 557,801 × 222,937.68
  4. Step 4: Simplify right side
    404,208.96x = 124,354,860,841.68
  5. Step 5: Solve for x
    x = 124,354,860,841.68/404,208.96
  6. Step 6: Final answer
    x = 307,649.94

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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.