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Finding the Fourth Proportional to 321,030.93, 443,027.33 and 185,062.41

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Solution

The fourth proportional to 321,030.93, 443,027.33 and 185,062.41 is: 255,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,030.93 : 443,027.33 = 185,062.41 : x
  2. Step 2: Convert to fraction form
    321,030.93/443,027.33 = 185,062.41/x
  3. Step 3: Cross multiply
    321,030.93x = 443,027.33 × 185,062.41
  4. Step 4: Simplify right side
    321,030.93x = 81,987,705,385.67
  5. Step 5: Solve for x
    x = 81,987,705,385.67/321,030.93
  6. Step 6: Final answer
    x = 255,388.80

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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.