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Finding the Fourth Proportional to 475,770.99, 656,503.48 and 271,835.12

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Solution

The fourth proportional to 475,770.99, 656,503.48 and 271,835.12 is: 375,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770.99 : 656,503.48 = 271,835.12 : x
  2. Step 2: Convert to fraction form
    475,770.99/656,503.48 = 271,835.12/x
  3. Step 3: Cross multiply
    475,770.99x = 656,503.48 × 271,835.12
  4. Step 4: Simplify right side
    475,770.99x = 178,460,704,247.27
  5. Step 5: Solve for x
    x = 178,460,704,247.27/475,770.99
  6. Step 6: Final answer
    x = 375,097.91

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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.