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Finding the Fourth Proportional to 332,205.70, 498,308.55 and 132,556.90

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Solution

The fourth proportional to 332,205.70, 498,308.55 and 132,556.90 is: 198,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,205.70 : 498,308.55 = 132,556.90 : x
  2. Step 2: Convert to fraction form
    332,205.70/498,308.55 = 132,556.90/x
  3. Step 3: Cross multiply
    332,205.70x = 498,308.55 × 132,556.90
  4. Step 4: Simplify right side
    332,205.70x = 66,054,236,631.50
  5. Step 5: Solve for x
    x = 66,054,236,631.50/332,205.70
  6. Step 6: Final answer
    x = 198,835.35

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1.5x scale

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.