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Finding the Fourth Proportional to 475,929.50, 656,770.70 and 271,967.45

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Solution

The fourth proportional to 475,929.50, 656,770.70 and 271,967.45 is: 375,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,929.50 : 656,770.70 = 271,967.45 : x
  2. Step 2: Convert to fraction form
    475,929.50/656,770.70 = 271,967.45/x
  3. Step 3: Cross multiply
    475,929.50x = 656,770.70 × 271,967.45
  4. Step 4: Simplify right side
    475,929.50x = 178,620,251,153.88
  5. Step 5: Solve for x
    x = 178,620,251,153.88/475,929.50
  6. Step 6: Final answer
    x = 375,308.22

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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.