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Finding the Fourth Proportional to 341,232.20, 470,899.11 and 188,279.90

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Solution

The fourth proportional to 341,232.20, 470,899.11 and 188,279.90 is: 259,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,232.20 : 470,899.11 = 188,279.90 : x
  2. Step 2: Convert to fraction form
    341,232.20/470,899.11 = 188,279.90/x
  3. Step 3: Cross multiply
    341,232.20x = 470,899.11 × 188,279.90
  4. Step 4: Simplify right side
    341,232.20x = 88,660,837,340.89
  5. Step 5: Solve for x
    x = 88,660,837,340.89/341,232.20
  6. Step 6: Final answer
    x = 259,825.53

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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.