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Finding the Fourth Proportional to 332,886.66, 499,455.79 and 199,859.65

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Solution

The fourth proportional to 332,886.66, 499,455.79 and 199,859.65 is: 299,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,886.66 : 499,455.79 = 199,859.65 : x
  2. Step 2: Convert to fraction form
    332,886.66/499,455.79 = 199,859.65/x
  3. Step 3: Cross multiply
    332,886.66x = 499,455.79 × 199,859.65
  4. Step 4: Simplify right side
    332,886.66x = 99,821,059,379.87
  5. Step 5: Solve for x
    x = 99,821,059,379.87/332,886.66
  6. Step 6: Final answer
    x = 299,865.00

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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.