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Finding the Fourth Proportional to 451,717.52, 676,672.85 and 271,703.54

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Solution

The fourth proportional to 451,717.52, 676,672.85 and 271,703.54 is: 407,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,717.52 : 676,672.85 = 271,703.54 : x
  2. Step 2: Convert to fraction form
    451,717.52/676,672.85 = 271,703.54/x
  3. Step 3: Cross multiply
    451,717.52x = 676,672.85 × 271,703.54
  4. Step 4: Simplify right side
    451,717.52x = 183,854,404,025.01
  5. Step 5: Solve for x
    x = 183,854,404,025.01/451,717.52
  6. Step 6: Final answer
    x = 407,011.90

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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.