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Finding the Fourth Proportional to 404,170.86, 557,752.40 and 222,890.34

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Solution

The fourth proportional to 404,170.86, 557,752.40 and 222,890.34 is: 307,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,170.86 : 557,752.40 = 222,890.34 : x
  2. Step 2: Convert to fraction form
    404,170.86/557,752.40 = 222,890.34/x
  3. Step 3: Cross multiply
    404,170.86x = 557,752.40 × 222,890.34
  4. Step 4: Simplify right side
    404,170.86x = 124,317,622,071.82
  5. Step 5: Solve for x
    x = 124,317,622,071.82/404,170.86
  6. Step 6: Final answer
    x = 307,586.80

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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.