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Finding the Fourth Proportional to 273,465.16, 409,648.28 and 136,274.44

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Solution

The fourth proportional to 273,465.16, 409,648.28 and 136,274.44 is: 204,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,465.16 : 409,648.28 = 136,274.44 : x
  2. Step 2: Convert to fraction form
    273,465.16/409,648.28 = 136,274.44/x
  3. Step 3: Cross multiply
    273,465.16x = 409,648.28 × 136,274.44
  4. Step 4: Simplify right side
    273,465.16x = 55,824,589,953.96
  5. Step 5: Solve for x
    x = 55,824,589,953.96/273,465.16
  6. Step 6: Final answer
    x = 204,137.85

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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.