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Finding the Fourth Proportional to 341,288.88, 471,008.43 and 188,341.44

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Solution

The fourth proportional to 341,288.88, 471,008.43 and 188,341.44 is: 259,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,288.88 : 471,008.43 = 188,341.44 : x
  2. Step 2: Convert to fraction form
    341,288.88/471,008.43 = 188,341.44/x
  3. Step 3: Cross multiply
    341,288.88x = 471,008.43 × 188,341.44
  4. Step 4: Simplify right side
    341,288.88x = 88,710,405,958.34
  5. Step 5: Solve for x
    x = 88,710,405,958.34/341,288.88
  6. Step 6: Final answer
    x = 259,927.62

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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.