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Finding the Fourth Proportional to 496,728.77, 745,204.25 and 181,185.67

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Solution

The fourth proportional to 496,728.77, 745,204.25 and 181,185.67 is: 271,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,728.77 : 745,204.25 = 181,185.67 : x
  2. Step 2: Convert to fraction form
    496,728.77/745,204.25 = 181,185.67/x
  3. Step 3: Cross multiply
    496,728.77x = 745,204.25 × 181,185.67
  4. Step 4: Simplify right side
    496,728.77x = 135,020,331,323.10
  5. Step 5: Solve for x
    x = 135,020,331,323.10/496,728.77
  6. Step 6: Final answer
    x = 271,819.03

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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.