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Finding the Fourth Proportional to 332,195.70, 498,293.55 and 121,806.30

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Solution

The fourth proportional to 332,195.70, 498,293.55 and 121,806.30 is: 182,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,195.70 : 498,293.55 = 121,806.30 : x
  2. Step 2: Convert to fraction form
    332,195.70/498,293.55 = 121,806.30/x
  3. Step 3: Cross multiply
    332,195.70x = 498,293.55 × 121,806.30
  4. Step 4: Simplify right side
    332,195.70x = 60,695,293,639.37
  5. Step 5: Solve for x
    x = 60,695,293,639.37/332,195.70
  6. Step 6: Final answer
    x = 182,709.45

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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.