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Finding the Fourth Proportional to 456,192, 629,519.55 and 252,230.67

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Solution

The fourth proportional to 456,192, 629,519.55 and 252,230.67 is: 348,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,192 : 629,519.55 = 252,230.67 : x
  2. Step 2: Convert to fraction form
    456,192/629,519.55 = 252,230.67/x
  3. Step 3: Cross multiply
    456,192x = 629,519.55 × 252,230.67
  4. Step 4: Simplify right side
    456,192x = 158,784,137,874.60
  5. Step 5: Solve for x
    x = 158,784,137,874.60/456,192
  6. Step 6: Final answer
    x = 348,064.28

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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.