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Finding the Fourth Proportional to 492,860.16, 739,291.05 and 118,883.16

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Solution

The fourth proportional to 492,860.16, 739,291.05 and 118,883.16 is: 178,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,860.16 : 739,291.05 = 118,883.16 : x
  2. Step 2: Convert to fraction form
    492,860.16/739,291.05 = 118,883.16/x
  3. Step 3: Cross multiply
    492,860.16x = 739,291.05 × 118,883.16
  4. Step 4: Simplify right side
    492,860.16x = 87,889,256,183.72
  5. Step 5: Solve for x
    x = 87,889,256,183.72/492,860.16
  6. Step 6: Final answer
    x = 178,324.94

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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.