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Finding the Fourth Proportional to 492,443.15, 679,571.98 and 266,088.65

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Solution

The fourth proportional to 492,443.15, 679,571.98 and 266,088.65 is: 367,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,443.15 : 679,571.98 = 266,088.65 : x
  2. Step 2: Convert to fraction form
    492,443.15/679,571.98 = 266,088.65/x
  3. Step 3: Cross multiply
    492,443.15x = 679,571.98 × 266,088.65
  4. Step 4: Simplify right side
    492,443.15x = 180,826,386,672.95
  5. Step 5: Solve for x
    x = 180,826,386,672.95/492,443.15
  6. Step 6: Final answer
    x = 367,202.57

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