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Finding the Fourth Proportional to 703,257, 1,055,060.46 and 204,621

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Solution

The fourth proportional to 703,257, 1,055,060.46 and 204,621 is: 306,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,257 : 1,055,060.46 = 204,621 : x
  2. Step 2: Convert to fraction form
    703,257/1,055,060.46 = 204,621/x
  3. Step 3: Cross multiply
    703,257x = 1,055,060.46 × 204,621
  4. Step 4: Simplify right side
    703,257x = 215,887,526,385.66
  5. Step 5: Solve for x
    x = 215,887,526,385.66/703,257
  6. Step 6: Final answer
    x = 306,982.41

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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.