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Finding the Fourth Proportional to 472,706.32, 708,951.48 and 135,744.30

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Solution

The fourth proportional to 472,706.32, 708,951.48 and 135,744.30 is: 203,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,706.32 : 708,951.48 = 135,744.30 : x
  2. Step 2: Convert to fraction form
    472,706.32/708,951.48 = 135,744.30/x
  3. Step 3: Cross multiply
    472,706.32x = 708,951.48 × 135,744.30
  4. Step 4: Simplify right side
    472,706.32x = 96,236,122,386.56
  5. Step 5: Solve for x
    x = 96,236,122,386.56/472,706.32
  6. Step 6: Final answer
    x = 203,585.44

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