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Finding the Fourth Proportional to 492,778.10, 738,130.35 and 409,834.10

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Solution

The fourth proportional to 492,778.10, 738,130.35 and 409,834.10 is: 613,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,778.10 : 738,130.35 = 409,834.10 : x
  2. Step 2: Convert to fraction form
    492,778.10/738,130.35 = 409,834.10/x
  3. Step 3: Cross multiply
    492,778.10x = 738,130.35 × 409,834.10
  4. Step 4: Simplify right side
    492,778.10x = 302,510,987,674.94
  5. Step 5: Solve for x
    x = 302,510,987,674.94/492,778.10
  6. Step 6: Final answer
    x = 613,888.86

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