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Finding the Fourth Proportional to 341,362.43, 471,071.25 and 188,398.56

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Solution

The fourth proportional to 341,362.43, 471,071.25 and 188,398.56 is: 259,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,362.43 : 471,071.25 = 188,398.56 : x
  2. Step 2: Convert to fraction form
    341,362.43/471,071.25 = 188,398.56/x
  3. Step 3: Cross multiply
    341,362.43x = 471,071.25 × 188,398.56
  4. Step 4: Simplify right side
    341,362.43x = 88,749,145,157.40
  5. Step 5: Solve for x
    x = 88,749,145,157.40/341,362.43
  6. Step 6: Final answer
    x = 259,985.10

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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.