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Finding the Fourth Proportional to 475,063.79, 655,405.63 and 271,126.04

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Solution

The fourth proportional to 475,063.79, 655,405.63 and 271,126.04 is: 374,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,063.79 : 655,405.63 = 271,126.04 : x
  2. Step 2: Convert to fraction form
    475,063.79/655,405.63 = 271,126.04/x
  3. Step 3: Cross multiply
    475,063.79x = 655,405.63 × 271,126.04
  4. Step 4: Simplify right side
    475,063.79x = 177,697,529,100.76
  5. Step 5: Solve for x
    x = 177,697,529,100.76/475,063.79
  6. Step 6: Final answer
    x = 374,049.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.