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Finding the Fourth Proportional to 450,946.90, 676,403.93 and 135,395.60

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Solution

The fourth proportional to 450,946.90, 676,403.93 and 135,395.60 is: 203,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,946.90 : 676,403.93 = 135,395.60 : x
  2. Step 2: Convert to fraction form
    450,946.90/676,403.93 = 135,395.60/x
  3. Step 3: Cross multiply
    450,946.90x = 676,403.93 × 135,395.60
  4. Step 4: Simplify right side
    450,946.90x = 91,582,115,944.71
  5. Step 5: Solve for x
    x = 91,582,115,944.71/450,946.90
  6. Step 6: Final answer
    x = 203,088.47

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