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Finding the Fourth Proportional to 513,757.86, 770,445.63 and 176,703.90

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Solution

The fourth proportional to 513,757.86, 770,445.63 and 176,703.90 is: 264,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,757.86 : 770,445.63 = 176,703.90 : x
  2. Step 2: Convert to fraction form
    513,757.86/770,445.63 = 176,703.90/x
  3. Step 3: Cross multiply
    513,757.86x = 770,445.63 × 176,703.90
  4. Step 4: Simplify right side
    513,757.86x = 136,140,747,558.96
  5. Step 5: Solve for x
    x = 136,140,747,558.96/513,757.86
  6. Step 6: Final answer
    x = 264,990.10

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