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Finding the Fourth Proportional to 526,278.40, 788,510.40 and 245,219.20

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Solution

The fourth proportional to 526,278.40, 788,510.40 and 245,219.20 is: 367,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,278.40 : 788,510.40 = 245,219.20 : x
  2. Step 2: Convert to fraction form
    526,278.40/788,510.40 = 245,219.20/x
  3. Step 3: Cross multiply
    526,278.40x = 788,510.40 × 245,219.20
  4. Step 4: Simplify right side
    526,278.40x = 193,357,889,479.68
  5. Step 5: Solve for x
    x = 193,357,889,479.68/526,278.40
  6. Step 6: Final answer
    x = 367,406.09

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