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Finding the Fourth Proportional to 456,216.32, 629,523.60 and 252,239.68

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Solution

The fourth proportional to 456,216.32, 629,523.60 and 252,239.68 is: 348,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,216.32 : 629,523.60 = 252,239.68 : x
  2. Step 2: Convert to fraction form
    456,216.32/629,523.60 = 252,239.68/x
  3. Step 3: Cross multiply
    456,216.32x = 629,523.60 × 252,239.68
  4. Step 4: Simplify right side
    456,216.32x = 158,790,831,416.45
  5. Step 5: Solve for x
    x = 158,790,831,416.45/456,216.32
  6. Step 6: Final answer
    x = 348,060.39

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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.