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Finding the Fourth Proportional to 346,554.72, 478,100.88 and 233,180.64

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Solution

The fourth proportional to 346,554.72, 478,100.88 and 233,180.64 is: 321,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,554.72 : 478,100.88 = 233,180.64 : x
  2. Step 2: Convert to fraction form
    346,554.72/478,100.88 = 233,180.64/x
  3. Step 3: Cross multiply
    346,554.72x = 478,100.88 × 233,180.64
  4. Step 4: Simplify right side
    346,554.72x = 111,483,869,182.96
  5. Step 5: Solve for x
    x = 111,483,869,182.96/346,554.72
  6. Step 6: Final answer
    x = 321,691.97

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