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Finding the Fourth Proportional to 456,193.25, 629,519.63 and 252,228.15

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Solution

The fourth proportional to 456,193.25, 629,519.63 and 252,228.15 is: 348,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,193.25 : 629,519.63 = 252,228.15 : x
  2. Step 2: Convert to fraction form
    456,193.25/629,519.63 = 252,228.15/x
  3. Step 3: Cross multiply
    456,193.25x = 629,519.63 × 252,228.15
  4. Step 4: Simplify right side
    456,193.25x = 158,782,570,402.44
  5. Step 5: Solve for x
    x = 158,782,570,402.44/456,193.25
  6. Step 6: Final answer
    x = 348,059.89

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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.