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Finding the Fourth Proportional to 331,999, 458,160.08 and 181,099.24

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Solution

The fourth proportional to 331,999, 458,160.08 and 181,099.24 is: 249,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,999 : 458,160.08 = 181,099.24 : x
  2. Step 2: Convert to fraction form
    331,999/458,160.08 = 181,099.24/x
  3. Step 3: Cross multiply
    331,999x = 458,160.08 × 181,099.24
  4. Step 4: Simplify right side
    331,999x = 82,972,442,286.34
  5. Step 5: Solve for x
    x = 82,972,442,286.34/331,999
  6. Step 6: Final answer
    x = 249,917.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.