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Finding the Fourth Proportional to 496,865.46, 745,315.74 and 159,860.64

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Solution

The fourth proportional to 496,865.46, 745,315.74 and 159,860.64 is: 239,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,865.46 : 745,315.74 = 159,860.64 : x
  2. Step 2: Convert to fraction form
    496,865.46/745,315.74 = 159,860.64/x
  3. Step 3: Cross multiply
    496,865.46x = 745,315.74 × 159,860.64
  4. Step 4: Simplify right side
    496,865.46x = 119,146,651,198.47
  5. Step 5: Solve for x
    x = 119,146,651,198.47/496,865.46
  6. Step 6: Final answer
    x = 239,796.61

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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.