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Finding the Fourth Proportional to 492,270.16, 738,405.16 and 118,293.16

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Solution

The fourth proportional to 492,270.16, 738,405.16 and 118,293.16 is: 177,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,270.16 : 738,405.16 = 118,293.16 : x
  2. Step 2: Convert to fraction form
    492,270.16/738,405.16 = 118,293.16/x
  3. Step 3: Cross multiply
    492,270.16x = 738,405.16 × 118,293.16
  4. Step 4: Simplify right side
    492,270.16x = 87,348,275,453.21
  5. Step 5: Solve for x
    x = 87,348,275,453.21/492,270.16
  6. Step 6: Final answer
    x = 177,439.71

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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.