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Finding the Fourth Proportional to 332,212.40, 498,300.71 and 163,564.58

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Solution

The fourth proportional to 332,212.40, 498,300.71 and 163,564.58 is: 245,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,212.40 : 498,300.71 = 163,564.58 : x
  2. Step 2: Convert to fraction form
    332,212.40/498,300.71 = 163,564.58/x
  3. Step 3: Cross multiply
    332,212.40x = 498,300.71 × 163,564.58
  4. Step 4: Simplify right side
    332,212.40x = 81,504,346,344.85
  5. Step 5: Solve for x
    x = 81,504,346,344.85/332,212.40
  6. Step 6: Final answer
    x = 245,338.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.