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Finding the Fourth Proportional to 475,770.87, 656,503.30 and 271,835

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Solution

The fourth proportional to 475,770.87, 656,503.30 and 271,835 is: 375,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770.87 : 656,503.30 = 271,835 : x
  2. Step 2: Convert to fraction form
    475,770.87/656,503.30 = 271,835/x
  3. Step 3: Cross multiply
    475,770.87x = 656,503.30 × 271,835
  4. Step 4: Simplify right side
    475,770.87x = 178,460,574,555.50
  5. Step 5: Solve for x
    x = 178,460,574,555.50/475,770.87
  6. Step 6: Final answer
    x = 375,097.73

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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.