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Finding the Fourth Proportional to 341,440.45, 471,105.15 and 218,876.85

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Solution

The fourth proportional to 341,440.45, 471,105.15 and 218,876.85 is: 301,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,440.45 : 471,105.15 = 218,876.85 : x
  2. Step 2: Convert to fraction form
    341,440.45/471,105.15 = 218,876.85/x
  3. Step 3: Cross multiply
    341,440.45x = 471,105.15 × 218,876.85
  4. Step 4: Simplify right side
    341,440.45x = 103,114,010,429.99
  5. Step 5: Solve for x
    x = 103,114,010,429.99/341,440.45
  6. Step 6: Final answer
    x = 301,997.06

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1.5x scale

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.