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Finding the Fourth Proportional to 537,999.69, 807,899.31 and 336,065.61

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Solution

The fourth proportional to 537,999.69, 807,899.31 and 336,065.61 is: 504,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,999.69 : 807,899.31 = 336,065.61 : x
  2. Step 2: Convert to fraction form
    537,999.69/807,899.31 = 336,065.61/x
  3. Step 3: Cross multiply
    537,999.69x = 807,899.31 × 336,065.61
  4. Step 4: Simplify right side
    537,999.69x = 271,507,174,433.73
  5. Step 5: Solve for x
    x = 271,507,174,433.73/537,999.69
  6. Step 6: Final answer
    x = 504,660.47

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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.