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Finding the Fourth Proportional to 271,877.10, 407,815.65 and 246,507.90

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Solution

The fourth proportional to 271,877.10, 407,815.65 and 246,507.90 is: 369,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,877.10 : 407,815.65 = 246,507.90 : x
  2. Step 2: Convert to fraction form
    271,877.10/407,815.65 = 246,507.90/x
  3. Step 3: Cross multiply
    271,877.10x = 407,815.65 × 246,507.90
  4. Step 4: Simplify right side
    271,877.10x = 100,529,779,468.64
  5. Step 5: Solve for x
    x = 100,529,779,468.64/271,877.10
  6. Step 6: Final answer
    x = 369,761.85

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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.