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Finding the Fourth Proportional to 492,452.44, 738,678.67 and 118,475.44

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Solution

The fourth proportional to 492,452.44, 738,678.67 and 118,475.44 is: 177,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,452.44 : 738,678.67 = 118,475.44 : x
  2. Step 2: Convert to fraction form
    492,452.44/738,678.67 = 118,475.44/x
  3. Step 3: Cross multiply
    492,452.44x = 738,678.67 × 118,475.44
  4. Step 4: Simplify right side
    492,452.44x = 87,515,278,303.98
  5. Step 5: Solve for x
    x = 87,515,278,303.98/492,452.44
  6. Step 6: Final answer
    x = 177,713.16

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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.