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Finding the Fourth Proportional to 334,145.10, 501,210.45 and 222,540.30

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Solution

The fourth proportional to 334,145.10, 501,210.45 and 222,540.30 is: 333,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,145.10 : 501,210.45 = 222,540.30 : x
  2. Step 2: Convert to fraction form
    334,145.10/501,210.45 = 222,540.30/x
  3. Step 3: Cross multiply
    334,145.10x = 501,210.45 × 222,540.30
  4. Step 4: Simplify right side
    334,145.10x = 111,539,523,906.14
  5. Step 5: Solve for x
    x = 111,539,523,906.14/334,145.10
  6. Step 6: Final answer
    x = 333,805.65

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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.