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Finding the Fourth Proportional to 323,357.96, 446,073.54 and 216,071.84

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Solution

The fourth proportional to 323,357.96, 446,073.54 and 216,071.84 is: 298,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,357.96 : 446,073.54 = 216,071.84 : x
  2. Step 2: Convert to fraction form
    323,357.96/446,073.54 = 216,071.84/x
  3. Step 3: Cross multiply
    323,357.96x = 446,073.54 × 216,071.84
  4. Step 4: Simplify right side
    323,357.96x = 96,383,930,563.11
  5. Step 5: Solve for x
    x = 96,383,930,563.11/323,357.96
  6. Step 6: Final answer
    x = 298,071.93

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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.