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Finding the Fourth Proportional to 336,957.46, 505,434.15 and 84,236.74

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Solution

The fourth proportional to 336,957.46, 505,434.15 and 84,236.74 is: 126,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,957.46 : 505,434.15 = 84,236.74 : x
  2. Step 2: Convert to fraction form
    336,957.46/505,434.15 = 84,236.74/x
  3. Step 3: Cross multiply
    336,957.46x = 505,434.15 × 84,236.74
  4. Step 4: Simplify right side
    336,957.46x = 42,576,125,080.67
  5. Step 5: Solve for x
    x = 42,576,125,080.67/336,957.46
  6. Step 6: Final answer
    x = 126,354.60

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