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Finding the Fourth Proportional to 332,556.70, 498,543.45 and 199,489.90

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Solution

The fourth proportional to 332,556.70, 498,543.45 and 199,489.90 is: 299,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,556.70 : 498,543.45 = 199,489.90 : x
  2. Step 2: Convert to fraction form
    332,556.70/498,543.45 = 199,489.90/x
  3. Step 3: Cross multiply
    332,556.70x = 498,543.45 × 199,489.90
  4. Step 4: Simplify right side
    332,556.70x = 99,454,382,986.16
  5. Step 5: Solve for x
    x = 99,454,382,986.16/332,556.70
  6. Step 6: Final answer
    x = 299,059.93

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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.