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Finding the Fourth Proportional to 436,016.88, 654,037.62 and 120,473.82

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Solution

The fourth proportional to 436,016.88, 654,037.62 and 120,473.82 is: 180,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,016.88 : 654,037.62 = 120,473.82 : x
  2. Step 2: Convert to fraction form
    436,016.88/654,037.62 = 120,473.82/x
  3. Step 3: Cross multiply
    436,016.88x = 654,037.62 × 120,473.82
  4. Step 4: Simplify right side
    436,016.88x = 78,794,410,505.11
  5. Step 5: Solve for x
    x = 78,794,410,505.11/436,016.88
  6. Step 6: Final answer
    x = 180,714.13

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Why These Related Problems?

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