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Finding the Fourth Proportional to 332,653.80, 498,834.90 and 132,907.80

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Solution

The fourth proportional to 332,653.80, 498,834.90 and 132,907.80 is: 199,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,653.80 : 498,834.90 = 132,907.80 : x
  2. Step 2: Convert to fraction form
    332,653.80/498,834.90 = 132,907.80/x
  3. Step 3: Cross multiply
    332,653.80x = 498,834.90 × 132,907.80
  4. Step 4: Simplify right side
    332,653.80x = 66,299,049,122.22
  5. Step 5: Solve for x
    x = 66,299,049,122.22/332,653.80
  6. Step 6: Final answer
    x = 199,303.45

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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.