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Finding the Fourth Proportional to 276,402.19, 414,601.91 and 107,939.63

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Solution

The fourth proportional to 276,402.19, 414,601.91 and 107,939.63 is: 161,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,402.19 : 414,601.91 = 107,939.63 : x
  2. Step 2: Convert to fraction form
    276,402.19/414,601.91 = 107,939.63/x
  3. Step 3: Cross multiply
    276,402.19x = 414,601.91 × 107,939.63
  4. Step 4: Simplify right side
    276,402.19x = 44,751,977,259.50
  5. Step 5: Solve for x
    x = 44,751,977,259.50/276,402.19
  6. Step 6: Final answer
    x = 161,908.91

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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.