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Finding the Fourth Proportional to 789,494, 1,184,438.28 and 228,528.50

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Solution

The fourth proportional to 789,494, 1,184,438.28 and 228,528.50 is: 342,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,494 : 1,184,438.28 = 228,528.50 : x
  2. Step 2: Convert to fraction form
    789,494/1,184,438.28 = 228,528.50/x
  3. Step 3: Cross multiply
    789,494x = 1,184,438.28 × 228,528.50
  4. Step 4: Simplify right side
    789,494x = 270,677,903,470.98
  5. Step 5: Solve for x
    x = 270,677,903,470.98/789,494
  6. Step 6: Final answer
    x = 342,849.86

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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.