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Finding the Fourth Proportional to 436,560.18, 654,840.45 and 196,393.56

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Solution

The fourth proportional to 436,560.18, 654,840.45 and 196,393.56 is: 294,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,560.18 : 654,840.45 = 196,393.56 : x
  2. Step 2: Convert to fraction form
    436,560.18/654,840.45 = 196,393.56/x
  3. Step 3: Cross multiply
    436,560.18x = 654,840.45 × 196,393.56
  4. Step 4: Simplify right side
    436,560.18x = 128,606,447,207.50
  5. Step 5: Solve for x
    x = 128,606,447,207.50/436,560.18
  6. Step 6: Final answer
    x = 294,590.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.