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Finding the Fourth Proportional to 346,007.08, 477,503.94 and 218,636.20

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Solution

The fourth proportional to 346,007.08, 477,503.94 and 218,636.20 is: 301,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,007.08 : 477,503.94 = 218,636.20 : x
  2. Step 2: Convert to fraction form
    346,007.08/477,503.94 = 218,636.20/x
  3. Step 3: Cross multiply
    346,007.08x = 477,503.94 × 218,636.20
  4. Step 4: Simplify right side
    346,007.08x = 104,399,646,926.63
  5. Step 5: Solve for x
    x = 104,399,646,926.63/346,007.08
  6. Step 6: Final answer
    x = 301,726.91

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