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Finding the Fourth Proportional to 496,841.58, 745,157.88 and 159,912.36

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Solution

The fourth proportional to 496,841.58, 745,157.88 and 159,912.36 is: 239,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,841.58 : 745,157.88 = 159,912.36 : x
  2. Step 2: Convert to fraction form
    496,841.58/745,157.88 = 159,912.36/x
  3. Step 3: Cross multiply
    496,841.58x = 745,157.88 × 159,912.36
  4. Step 4: Simplify right side
    496,841.58x = 119,159,955,163.40
  5. Step 5: Solve for x
    x = 119,159,955,163.40/496,841.58
  6. Step 6: Final answer
    x = 239,834.91

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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.