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Finding the Fourth Proportional to 293,308.25, 404,765.40 and 159,172.25

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Solution

The fourth proportional to 293,308.25, 404,765.40 and 159,172.25 is: 219,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,308.25 : 404,765.40 = 159,172.25 : x
  2. Step 2: Convert to fraction form
    293,308.25/404,765.40 = 159,172.25/x
  3. Step 3: Cross multiply
    293,308.25x = 404,765.40 × 159,172.25
  4. Step 4: Simplify right side
    293,308.25x = 64,427,419,440.15
  5. Step 5: Solve for x
    x = 64,427,419,440.15/293,308.25
  6. Step 6: Final answer
    x = 219,657.71

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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.