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Finding the Fourth Proportional to 321,519.34, 482,180.48 and 222,317.02

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Solution

The fourth proportional to 321,519.34, 482,180.48 and 222,317.02 is: 333,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,519.34 : 482,180.48 = 222,317.02 : x
  2. Step 2: Convert to fraction form
    321,519.34/482,180.48 = 222,317.02/x
  3. Step 3: Cross multiply
    321,519.34x = 482,180.48 × 222,317.02
  4. Step 4: Simplify right side
    321,519.34x = 107,196,927,415.77
  5. Step 5: Solve for x
    x = 107,196,927,415.77/321,519.34
  6. Step 6: Final answer
    x = 333,407.40

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