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Finding the Fourth Proportional to 303,602.60, 454,529.10 and 272,109.80

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Solution

The fourth proportional to 303,602.60, 454,529.10 and 272,109.80 is: 407,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,602.60 : 454,529.10 = 272,109.80 : x
  2. Step 2: Convert to fraction form
    303,602.60/454,529.10 = 272,109.80/x
  3. Step 3: Cross multiply
    303,602.60x = 454,529.10 × 272,109.80
  4. Step 4: Simplify right side
    303,602.60x = 123,681,822,495.18
  5. Step 5: Solve for x
    x = 123,681,822,495.18/303,602.60
  6. Step 6: Final answer
    x = 407,380.64

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