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Finding the Fourth Proportional to 341,714.40, 512,992.80 and 215,354.40

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Solution

The fourth proportional to 341,714.40, 512,992.80 and 215,354.40 is: 323,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,714.40 : 512,992.80 = 215,354.40 : x
  2. Step 2: Convert to fraction form
    341,714.40/512,992.80 = 215,354.40/x
  3. Step 3: Cross multiply
    341,714.40x = 512,992.80 × 215,354.40
  4. Step 4: Simplify right side
    341,714.40x = 110,475,256,648.32
  5. Step 5: Solve for x
    x = 110,475,256,648.32/341,714.40
  6. Step 6: Final answer
    x = 323,297.05

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