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Finding the Fourth Proportional to 497,429.20, 744,556.20 and 392,453.20

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Solution

The fourth proportional to 497,429.20, 744,556.20 and 392,453.20 is: 587,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,429.20 : 744,556.20 = 392,453.20 : x
  2. Step 2: Convert to fraction form
    497,429.20/744,556.20 = 392,453.20/x
  3. Step 3: Cross multiply
    497,429.20x = 744,556.20 × 392,453.20
  4. Step 4: Simplify right side
    497,429.20x = 292,203,463,269.84
  5. Step 5: Solve for x
    x = 292,203,463,269.84/497,429.20
  6. Step 6: Final answer
    x = 587,427.24

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