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Finding the Fourth Proportional to 276,309.60, 414,683.10 and 107,910.60

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Solution

The fourth proportional to 276,309.60, 414,683.10 and 107,910.60 is: 161,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309.60 : 414,683.10 = 107,910.60 : x
  2. Step 2: Convert to fraction form
    276,309.60/414,683.10 = 107,910.60/x
  3. Step 3: Cross multiply
    276,309.60x = 414,683.10 × 107,910.60
  4. Step 4: Simplify right side
    276,309.60x = 44,748,702,130.86
  5. Step 5: Solve for x
    x = 44,748,702,130.86/276,309.60
  6. Step 6: Final answer
    x = 161,951.31

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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.