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Finding the Fourth Proportional to 321,365.88, 482,080.77 and 119,016.14

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Solution

The fourth proportional to 321,365.88, 482,080.77 and 119,016.14 is: 178,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,365.88 : 482,080.77 = 119,016.14 : x
  2. Step 2: Convert to fraction form
    321,365.88/482,080.77 = 119,016.14/x
  3. Step 3: Cross multiply
    321,365.88x = 482,080.77 × 119,016.14
  4. Step 4: Simplify right side
    321,365.88x = 57,375,390,003.22
  5. Step 5: Solve for x
    x = 57,375,390,003.22/321,365.88
  6. Step 6: Final answer
    x = 178,536.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.