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Finding the Fourth Proportional to 517,597.23, 714,210.68 and 288,122.66

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Solution

The fourth proportional to 517,597.23, 714,210.68 and 288,122.66 is: 397,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,597.23 : 714,210.68 = 288,122.66 : x
  2. Step 2: Convert to fraction form
    517,597.23/714,210.68 = 288,122.66/x
  3. Step 3: Cross multiply
    517,597.23x = 714,210.68 × 288,122.66
  4. Step 4: Simplify right side
    517,597.23x = 205,780,275,910.34
  5. Step 5: Solve for x
    x = 205,780,275,910.34/517,597.23
  6. Step 6: Final answer
    x = 397,568.35

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