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Finding the Fourth Proportional to 475,793.40, 656,666.82 and 271,887.24

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Solution

The fourth proportional to 475,793.40, 656,666.82 and 271,887.24 is: 375,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,793.40 : 656,666.82 = 271,887.24 : x
  2. Step 2: Convert to fraction form
    475,793.40/656,666.82 = 271,887.24/x
  3. Step 3: Cross multiply
    475,793.40x = 656,666.82 × 271,887.24
  4. Step 4: Simplify right side
    475,793.40x = 178,539,329,289.38
  5. Step 5: Solve for x
    x = 178,539,329,289.38/475,793.40
  6. Step 6: Final answer
    x = 375,245.49

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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.