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Finding the Fourth Proportional to 395,828, 546,244.56 and 236,852

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Solution

The fourth proportional to 395,828, 546,244.56 and 236,852 is: 326,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,828 : 546,244.56 = 236,852 : x
  2. Step 2: Convert to fraction form
    395,828/546,244.56 = 236,852/x
  3. Step 3: Cross multiply
    395,828x = 546,244.56 × 236,852
  4. Step 4: Simplify right side
    395,828x = 129,379,116,525.12
  5. Step 5: Solve for x
    x = 129,379,116,525.12/395,828
  6. Step 6: Final answer
    x = 326,856.91

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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.