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Finding the Fourth Proportional to 497,401.20, 744,514.20 and 392,425.20

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Solution

The fourth proportional to 497,401.20, 744,514.20 and 392,425.20 is: 587,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,401.20 : 744,514.20 = 392,425.20 : x
  2. Step 2: Convert to fraction form
    497,401.20/744,514.20 = 392,425.20/x
  3. Step 3: Cross multiply
    497,401.20x = 744,514.20 × 392,425.20
  4. Step 4: Simplify right side
    497,401.20x = 292,166,133,837.84
  5. Step 5: Solve for x
    x = 292,166,133,837.84/497,401.20
  6. Step 6: Final answer
    x = 587,385.26

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