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Finding the Fourth Proportional to 256,630.44, 354,032.29 and 166,015.62

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Solution

The fourth proportional to 256,630.44, 354,032.29 and 166,015.62 is: 229,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,630.44 : 354,032.29 = 166,015.62 : x
  2. Step 2: Convert to fraction form
    256,630.44/354,032.29 = 166,015.62/x
  3. Step 3: Cross multiply
    256,630.44x = 354,032.29 × 166,015.62
  4. Step 4: Simplify right side
    256,630.44x = 58,774,890,246.10
  5. Step 5: Solve for x
    x = 58,774,890,246.10/256,630.44
  6. Step 6: Final answer
    x = 229,025.41

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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.