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Finding the Fourth Proportional to 492,528.72, 738,793.20 and 118,551.72

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Solution

The fourth proportional to 492,528.72, 738,793.20 and 118,551.72 is: 177,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,528.72 : 738,793.20 = 118,551.72 : x
  2. Step 2: Convert to fraction form
    492,528.72/738,793.20 = 118,551.72/x
  3. Step 3: Cross multiply
    492,528.72x = 738,793.20 × 118,551.72
  4. Step 4: Simplify right side
    492,528.72x = 87,585,204,584.30
  5. Step 5: Solve for x
    x = 87,585,204,584.30/492,528.72
  6. Step 6: Final answer
    x = 177,827.61

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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.