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Finding the Fourth Proportional to 475,908.85, 656,748.02 and 271,957.46

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Solution

The fourth proportional to 475,908.85, 656,748.02 and 271,957.46 is: 375,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,908.85 : 656,748.02 = 271,957.46 : x
  2. Step 2: Convert to fraction form
    475,908.85/656,748.02 = 271,957.46/x
  3. Step 3: Cross multiply
    475,908.85x = 656,748.02 × 271,957.46
  4. Step 4: Simplify right side
    475,908.85x = 178,607,522,019.44
  5. Step 5: Solve for x
    x = 178,607,522,019.44/475,908.85
  6. Step 6: Final answer
    x = 375,297.76

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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.