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Finding the Fourth Proportional to 316,481.26, 474,670.71 and 116,895.64

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Solution

The fourth proportional to 316,481.26, 474,670.71 and 116,895.64 is: 175,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,481.26 : 474,670.71 = 116,895.64 : x
  2. Step 2: Convert to fraction form
    316,481.26/474,670.71 = 116,895.64/x
  3. Step 3: Cross multiply
    316,481.26x = 474,670.71 × 116,895.64
  4. Step 4: Simplify right side
    316,481.26x = 55,486,936,434.70
  5. Step 5: Solve for x
    x = 55,486,936,434.70/316,481.26
  6. Step 6: Final answer
    x = 175,324.56

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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.