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Finding the Fourth Proportional to 570,961.44, 787,870.44 and 325,949.28

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Solution

The fourth proportional to 570,961.44, 787,870.44 and 325,949.28 is: 449,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,961.44 : 787,870.44 = 325,949.28 : x
  2. Step 2: Convert to fraction form
    570,961.44/787,870.44 = 325,949.28/x
  3. Step 3: Cross multiply
    570,961.44x = 787,870.44 × 325,949.28
  4. Step 4: Simplify right side
    570,961.44x = 256,805,802,651.28
  5. Step 5: Solve for x
    x = 256,805,802,651.28/570,961.44
  6. Step 6: Final answer
    x = 449,777.84

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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.