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Finding the Fourth Proportional to 271,470.24, 407,380.32 and 105,258.24

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Solution

The fourth proportional to 271,470.24, 407,380.32 and 105,258.24 is: 157,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,470.24 : 407,380.32 = 105,258.24 : x
  2. Step 2: Convert to fraction form
    271,470.24/407,380.32 = 105,258.24/x
  3. Step 3: Cross multiply
    271,470.24x = 407,380.32 × 105,258.24
  4. Step 4: Simplify right side
    271,470.24x = 42,880,135,493.84
  5. Step 5: Solve for x
    x = 42,880,135,493.84/271,470.24
  6. Step 6: Final answer
    x = 157,955.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.