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Finding the Fourth Proportional to 456,091.92, 629,405.28 and 254,887.92

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Solution

The fourth proportional to 456,091.92, 629,405.28 and 254,887.92 is: 351,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,091.92 : 629,405.28 = 254,887.92 : x
  2. Step 2: Convert to fraction form
    456,091.92/629,405.28 = 254,887.92/x
  3. Step 3: Cross multiply
    456,091.92x = 629,405.28 × 254,887.92
  4. Step 4: Simplify right side
    456,091.92x = 160,427,802,656.22
  5. Step 5: Solve for x
    x = 160,427,802,656.22/456,091.92
  6. Step 6: Final answer
    x = 351,744.45

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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.