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Finding the Fourth Proportional to 555,879.30, 767,114.44 and 301,230.49

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Solution

The fourth proportional to 555,879.30, 767,114.44 and 301,230.49 is: 415,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,879.30 : 767,114.44 = 301,230.49 : x
  2. Step 2: Convert to fraction form
    555,879.30/767,114.44 = 301,230.49/x
  3. Step 3: Cross multiply
    555,879.30x = 767,114.44 × 301,230.49
  4. Step 4: Simplify right side
    555,879.30x = 231,078,258,647.28
  5. Step 5: Solve for x
    x = 231,078,258,647.28/555,879.30
  6. Step 6: Final answer
    x = 415,698.62

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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.