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Finding the Fourth Proportional to 353,338, 487,606.44 and 202,522.48

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Solution

The fourth proportional to 353,338, 487,606.44 and 202,522.48 is: 279,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,338 : 487,606.44 = 202,522.48 : x
  2. Step 2: Convert to fraction form
    353,338/487,606.44 = 202,522.48/x
  3. Step 3: Cross multiply
    353,338x = 487,606.44 × 202,522.48
  4. Step 4: Simplify right side
    353,338x = 98,751,265,492.77
  5. Step 5: Solve for x
    x = 98,751,265,492.77/353,338
  6. Step 6: Final answer
    x = 279,481.02

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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.