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Finding the Fourth Proportional to 461,099.70, 636,316.32 and 257,150.84

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Solution

The fourth proportional to 461,099.70, 636,316.32 and 257,150.84 is: 354,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,099.70 : 636,316.32 = 257,150.84 : x
  2. Step 2: Convert to fraction form
    461,099.70/636,316.32 = 257,150.84/x
  3. Step 3: Cross multiply
    461,099.70x = 636,316.32 × 257,150.84
  4. Step 4: Simplify right side
    461,099.70x = 163,629,276,193.71
  5. Step 5: Solve for x
    x = 163,629,276,193.71/461,099.70
  6. Step 6: Final answer
    x = 354,867.45

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