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Finding the Fourth Proportional to 655,415.82, 982,209.78 and 495,360.36

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Solution

The fourth proportional to 655,415.82, 982,209.78 and 495,360.36 is: 742,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,415.82 : 982,209.78 = 495,360.36 : x
  2. Step 2: Convert to fraction form
    655,415.82/982,209.78 = 495,360.36/x
  3. Step 3: Cross multiply
    655,415.82x = 982,209.78 × 495,360.36
  4. Step 4: Simplify right side
    655,415.82x = 486,547,790,216.32
  5. Step 5: Solve for x
    x = 486,547,790,216.32/655,415.82
  6. Step 6: Final answer
    x = 742,349.78

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