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Finding the Fourth Proportional to 513,621.89, 770,537.91 and 176,618.77

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Solution

The fourth proportional to 513,621.89, 770,537.91 and 176,618.77 is: 264,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,621.89 : 770,537.91 = 176,618.77 : x
  2. Step 2: Convert to fraction form
    513,621.89/770,537.91 = 176,618.77/x
  3. Step 3: Cross multiply
    513,621.89x = 770,537.91 × 176,618.77
  4. Step 4: Simplify right side
    513,621.89x = 136,091,455,976.23
  5. Step 5: Solve for x
    x = 136,091,455,976.23/513,621.89
  6. Step 6: Final answer
    x = 264,964.29

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