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Finding the Fourth Proportional to 395,868.82, 546,305.97 and 214,586.77

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Solution

The fourth proportional to 395,868.82, 546,305.97 and 214,586.77 is: 296,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,868.82 : 546,305.97 = 214,586.77 : x
  2. Step 2: Convert to fraction form
    395,868.82/546,305.97 = 214,586.77/x
  3. Step 3: Cross multiply
    395,868.82x = 546,305.97 × 214,586.77
  4. Step 4: Simplify right side
    395,868.82x = 117,230,033,534.02
  5. Step 5: Solve for x
    x = 117,230,033,534.02/395,868.82
  6. Step 6: Final answer
    x = 296,133.54

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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.