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Finding the Fourth Proportional to 553,375.76, 828,188.80 and 340,278.65

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Solution

The fourth proportional to 553,375.76, 828,188.80 and 340,278.65 is: 509,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,375.76 : 828,188.80 = 340,278.65 : x
  2. Step 2: Convert to fraction form
    553,375.76/828,188.80 = 340,278.65/x
  3. Step 3: Cross multiply
    553,375.76x = 828,188.80 × 340,278.65
  4. Step 4: Simplify right side
    553,375.76x = 281,814,964,923.19
  5. Step 5: Solve for x
    x = 281,814,964,923.19/553,375.76
  6. Step 6: Final answer
    x = 509,265.11

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