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Finding the Fourth Proportional to 502,788.22, 693,168.62 and 341,363.02

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Solution

The fourth proportional to 502,788.22, 693,168.62 and 341,363.02 is: 470,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,788.22 : 693,168.62 = 341,363.02 : x
  2. Step 2: Convert to fraction form
    502,788.22/693,168.62 = 341,363.02/x
  3. Step 3: Cross multiply
    502,788.22x = 693,168.62 × 341,363.02
  4. Step 4: Simplify right side
    502,788.22x = 236,622,135,687.46
  5. Step 5: Solve for x
    x = 236,622,135,687.46/502,788.22
  6. Step 6: Final answer
    x = 470,619.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.