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Finding the Fourth Proportional to 360,405.28, 540,684.24 and 107,705.44

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Solution

The fourth proportional to 360,405.28, 540,684.24 and 107,705.44 is: 161,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,405.28 : 540,684.24 = 107,705.44 : x
  2. Step 2: Convert to fraction form
    360,405.28/540,684.24 = 107,705.44/x
  3. Step 3: Cross multiply
    360,405.28x = 540,684.24 × 107,705.44
  4. Step 4: Simplify right side
    360,405.28x = 58,234,633,970.27
  5. Step 5: Solve for x
    x = 58,234,633,970.27/360,405.28
  6. Step 6: Final answer
    x = 161,580.97

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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.