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Finding the Fourth Proportional to 489,077.07, 733,618.04 and 222,651.20

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Solution

The fourth proportional to 489,077.07, 733,618.04 and 222,651.20 is: 333,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,077.07 : 733,618.04 = 222,651.20 : x
  2. Step 2: Convert to fraction form
    489,077.07/733,618.04 = 222,651.20/x
  3. Step 3: Cross multiply
    489,077.07x = 733,618.04 × 222,651.20
  4. Step 4: Simplify right side
    489,077.07x = 163,340,932,166.30
  5. Step 5: Solve for x
    x = 163,340,932,166.30/489,077.07
  6. Step 6: Final answer
    x = 333,977.90

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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.