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Finding the Fourth Proportional to 467,852.22, 645,636.11 and 252,992.27

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Solution

The fourth proportional to 467,852.22, 645,636.11 and 252,992.27 is: 349,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,852.22 : 645,636.11 = 252,992.27 : x
  2. Step 2: Convert to fraction form
    467,852.22/645,636.11 = 252,992.27/x
  3. Step 3: Cross multiply
    467,852.22x = 645,636.11 × 252,992.27
  4. Step 4: Simplify right side
    467,852.22x = 163,340,945,062.87
  5. Step 5: Solve for x
    x = 163,340,945,062.87/467,852.22
  6. Step 6: Final answer
    x = 349,129.36

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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.