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Finding the Fourth Proportional to 332,886.75, 499,455.90 and 199,859.82

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Solution

The fourth proportional to 332,886.75, 499,455.90 and 199,859.82 is: 299,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,886.75 : 499,455.90 = 199,859.82 : x
  2. Step 2: Convert to fraction form
    332,886.75/499,455.90 = 199,859.82/x
  3. Step 3: Cross multiply
    332,886.75x = 499,455.90 × 199,859.82
  4. Step 4: Simplify right side
    332,886.75x = 99,821,166,271.94
  5. Step 5: Solve for x
    x = 99,821,166,271.94/332,886.75
  6. Step 6: Final answer
    x = 299,865.24

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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.