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Finding the Fourth Proportional to 316,906.01, 437,333.73 and 173,662.97

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Solution

The fourth proportional to 316,906.01, 437,333.73 and 173,662.97 is: 239,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,906.01 : 437,333.73 = 173,662.97 : x
  2. Step 2: Convert to fraction form
    316,906.01/437,333.73 = 173,662.97/x
  3. Step 3: Cross multiply
    316,906.01x = 437,333.73 × 173,662.97
  4. Step 4: Simplify right side
    316,906.01x = 75,948,672,246.31
  5. Step 5: Solve for x
    x = 75,948,672,246.31/316,906.01
  6. Step 6: Final answer
    x = 239,656.78

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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.