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Finding the Fourth Proportional to 456,125.16, 629,425.56 and 252,163.86

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Solution

The fourth proportional to 456,125.16, 629,425.56 and 252,163.86 is: 347,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,125.16 : 629,425.56 = 252,163.86 : x
  2. Step 2: Convert to fraction form
    456,125.16/629,425.56 = 252,163.86/x
  3. Step 3: Cross multiply
    456,125.16x = 629,425.56 × 252,163.86
  4. Step 4: Simplify right side
    456,125.16x = 158,718,378,792.26
  5. Step 5: Solve for x
    x = 158,718,378,792.26/456,125.16
  6. Step 6: Final answer
    x = 347,971.11

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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.