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Finding the Fourth Proportional to 456,237.28, 629,611.52 and 252,302

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Solution

The fourth proportional to 456,237.28, 629,611.52 and 252,302 is: 348,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,237.28 : 629,611.52 = 252,302 : x
  2. Step 2: Convert to fraction form
    456,237.28/629,611.52 = 252,302/x
  3. Step 3: Cross multiply
    456,237.28x = 629,611.52 × 252,302
  4. Step 4: Simplify right side
    456,237.28x = 158,852,245,719.04
  5. Step 5: Solve for x
    x = 158,852,245,719.04/456,237.28
  6. Step 6: Final answer
    x = 348,179.01

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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.