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Finding the Fourth Proportional to 615,698.86, 849,806.14 and 361,132.06

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Solution

The fourth proportional to 615,698.86, 849,806.14 and 361,132.06 is: 498,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,698.86 : 849,806.14 = 361,132.06 : x
  2. Step 2: Convert to fraction form
    615,698.86/849,806.14 = 361,132.06/x
  3. Step 3: Cross multiply
    615,698.86x = 849,806.14 × 361,132.06
  4. Step 4: Simplify right side
    615,698.86x = 306,892,241,938.85
  5. Step 5: Solve for x
    x = 306,892,241,938.85/615,698.86
  6. Step 6: Final answer
    x = 498,445.36

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