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Finding the Fourth Proportional to 293,765.25, 405,396.45 and 166,449.45

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Solution

The fourth proportional to 293,765.25, 405,396.45 and 166,449.45 is: 229,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,765.25 : 405,396.45 = 166,449.45 : x
  2. Step 2: Convert to fraction form
    293,765.25/405,396.45 = 166,449.45/x
  3. Step 3: Cross multiply
    293,765.25x = 405,396.45 × 166,449.45
  4. Step 4: Simplify right side
    293,765.25x = 67,478,016,134.45
  5. Step 5: Solve for x
    x = 67,478,016,134.45/293,765.25
  6. Step 6: Final answer
    x = 229,700.47

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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.