Home / 276,844.10-415,266.15-271,595.30

Finding the Fourth Proportional to 276,844.10, 415,266.15 and 271,595.30

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Solution

The fourth proportional to 276,844.10, 415,266.15 and 271,595.30 is: 407,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,844.10 : 415,266.15 = 271,595.30 : x
  2. Step 2: Convert to fraction form
    276,844.10/415,266.15 = 271,595.30/x
  3. Step 3: Cross multiply
    276,844.10x = 415,266.15 × 271,595.30
  4. Step 4: Simplify right side
    276,844.10x = 112,784,334,589.10
  5. Step 5: Solve for x
    x = 112,784,334,589.10/276,844.10
  6. Step 6: Final answer
    x = 407,392.95

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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.