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Finding the Fourth Proportional to 366,751.32, 505,997.10 and 213,754.44

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Solution

The fourth proportional to 366,751.32, 505,997.10 and 213,754.44 is: 294,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,751.32 : 505,997.10 = 213,754.44 : x
  2. Step 2: Convert to fraction form
    366,751.32/505,997.10 = 213,754.44/x
  3. Step 3: Cross multiply
    366,751.32x = 505,997.10 × 213,754.44
  4. Step 4: Simplify right side
    366,751.32x = 108,159,126,752.12
  5. Step 5: Solve for x
    x = 108,159,126,752.12/366,751.32
  6. Step 6: Final answer
    x = 294,911.35

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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.