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Finding the Fourth Proportional to 441,418.08, 661,606.20 and 188,624.64

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Solution

The fourth proportional to 441,418.08, 661,606.20 and 188,624.64 is: 282,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,418.08 : 661,606.20 = 188,624.64 : x
  2. Step 2: Convert to fraction form
    441,418.08/661,606.20 = 188,624.64/x
  3. Step 3: Cross multiply
    441,418.08x = 661,606.20 × 188,624.64
  4. Step 4: Simplify right side
    441,418.08x = 124,795,231,296.77
  5. Step 5: Solve for x
    x = 124,795,231,296.77/441,418.08
  6. Step 6: Final answer
    x = 282,714.36

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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.