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Finding the Fourth Proportional to 475,941.88, 656,793.66 and 271,990.46

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Solution

The fourth proportional to 475,941.88, 656,793.66 and 271,990.46 is: 375,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,941.88 : 656,793.66 = 271,990.46 : x
  2. Step 2: Convert to fraction form
    475,941.88/656,793.66 = 271,990.46/x
  3. Step 3: Cross multiply
    475,941.88x = 656,793.66 × 271,990.46
  4. Step 4: Simplify right side
    475,941.88x = 178,641,609,708.48
  5. Step 5: Solve for x
    x = 178,641,609,708.48/475,941.88
  6. Step 6: Final answer
    x = 375,343.33

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1.5x scale

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.