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Finding the Fourth Proportional to 467,536.45, 645,203.25 and 252,676.01

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Solution

The fourth proportional to 467,536.45, 645,203.25 and 252,676.01 is: 348,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,536.45 : 645,203.25 = 252,676.01 : x
  2. Step 2: Convert to fraction form
    467,536.45/645,203.25 = 252,676.01/x
  3. Step 3: Cross multiply
    467,536.45x = 645,203.25 × 252,676.01
  4. Step 4: Simplify right side
    467,536.45x = 163,027,379,623.02
  5. Step 5: Solve for x
    x = 163,027,379,623.02/467,536.45
  6. Step 6: Final answer
    x = 348,694.48

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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.