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Finding the Fourth Proportional to 718,995.74, 992,573.70 and 447,151.22

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Solution

The fourth proportional to 718,995.74, 992,573.70 and 447,151.22 is: 617,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,995.74 : 992,573.70 = 447,151.22 : x
  2. Step 2: Convert to fraction form
    718,995.74/992,573.70 = 447,151.22/x
  3. Step 3: Cross multiply
    718,995.74x = 992,573.70 × 447,151.22
  4. Step 4: Simplify right side
    718,995.74x = 443,830,540,894.91
  5. Step 5: Solve for x
    x = 443,830,540,894.91/718,995.74
  6. Step 6: Final answer
    x = 617,292.31

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