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Finding the Fourth Proportional to 456,079.38, 629,385.24 and 252,135.54

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Solution

The fourth proportional to 456,079.38, 629,385.24 and 252,135.54 is: 347,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,079.38 : 629,385.24 = 252,135.54 : x
  2. Step 2: Convert to fraction form
    456,079.38/629,385.24 = 252,135.54/x
  3. Step 3: Cross multiply
    456,079.38x = 629,385.24 × 252,135.54
  4. Step 4: Simplify right side
    456,079.38x = 158,690,387,355.43
  5. Step 5: Solve for x
    x = 158,690,387,355.43/456,079.38
  6. Step 6: Final answer
    x = 347,944.67

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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.