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Finding the Fourth Proportional to 475,847.16, 656,608.56 and 271,911.30

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Solution

The fourth proportional to 475,847.16, 656,608.56 and 271,911.30 is: 375,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,847.16 : 656,608.56 = 271,911.30 : x
  2. Step 2: Convert to fraction form
    475,847.16/656,608.56 = 271,911.30/x
  3. Step 3: Cross multiply
    475,847.16x = 656,608.56 × 271,911.30
  4. Step 4: Simplify right side
    475,847.16x = 178,539,287,140.73
  5. Step 5: Solve for x
    x = 178,539,287,140.73/475,847.16
  6. Step 6: Final answer
    x = 375,203.01

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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.