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Finding the Fourth Proportional to 294,837.60, 442,256.40 and 273,186.30

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Solution

The fourth proportional to 294,837.60, 442,256.40 and 273,186.30 is: 409,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,837.60 : 442,256.40 = 273,186.30 : x
  2. Step 2: Convert to fraction form
    294,837.60/442,256.40 = 273,186.30/x
  3. Step 3: Cross multiply
    294,837.60x = 442,256.40 × 273,186.30
  4. Step 4: Simplify right side
    294,837.60x = 120,818,389,567.32
  5. Step 5: Solve for x
    x = 120,818,389,567.32/294,837.60
  6. Step 6: Final answer
    x = 409,779.45

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