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Finding the Fourth Proportional to 483,815.51, 667,670.27 and 266,035.67

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Solution

The fourth proportional to 483,815.51, 667,670.27 and 266,035.67 is: 367,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,815.51 : 667,670.27 = 266,035.67 : x
  2. Step 2: Convert to fraction form
    483,815.51/667,670.27 = 266,035.67/x
  3. Step 3: Cross multiply
    483,815.51x = 667,670.27 × 266,035.67
  4. Step 4: Simplify right side
    483,815.51x = 177,624,102,950.00
  5. Step 5: Solve for x
    x = 177,624,102,950.00/483,815.51
  6. Step 6: Final answer
    x = 367,131.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.