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Finding the Fourth Proportional to 467,245.67, 644,959.16 and 273,715.50

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Solution

The fourth proportional to 467,245.67, 644,959.16 and 273,715.50 is: 377,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,245.67 : 644,959.16 = 273,715.50 : x
  2. Step 2: Convert to fraction form
    467,245.67/644,959.16 = 273,715.50/x
  3. Step 3: Cross multiply
    467,245.67x = 644,959.16 × 273,715.50
  4. Step 4: Simplify right side
    467,245.67x = 176,535,321,035.43
  5. Step 5: Solve for x
    x = 176,535,321,035.43/467,245.67
  6. Step 6: Final answer
    x = 377,821.21

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