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Finding the Fourth Proportional to 332,575.80, 498,863.70 and 199,606.20

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Solution

The fourth proportional to 332,575.80, 498,863.70 and 199,606.20 is: 299,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,575.80 : 498,863.70 = 199,606.20 : x
  2. Step 2: Convert to fraction form
    332,575.80/498,863.70 = 199,606.20/x
  3. Step 3: Cross multiply
    332,575.80x = 498,863.70 × 199,606.20
  4. Step 4: Simplify right side
    332,575.80x = 99,576,287,474.94
  5. Step 5: Solve for x
    x = 99,576,287,474.94/332,575.80
  6. Step 6: Final answer
    x = 299,409.30

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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.