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Finding the Fourth Proportional to 313,610.90, 432,820.14 and 186,287

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Solution

The fourth proportional to 313,610.90, 432,820.14 and 186,287 is: 257,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,610.90 : 432,820.14 = 186,287 : x
  2. Step 2: Convert to fraction form
    313,610.90/432,820.14 = 186,287/x
  3. Step 3: Cross multiply
    313,610.90x = 432,820.14 × 186,287
  4. Step 4: Simplify right side
    313,610.90x = 80,628,765,420.18
  5. Step 5: Solve for x
    x = 80,628,765,420.18/313,610.90
  6. Step 6: Final answer
    x = 257,098.10

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