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Finding the Fourth Proportional to 723,608.60, 1,085,464.72 and 191,124.32

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Solution

The fourth proportional to 723,608.60, 1,085,464.72 and 191,124.32 is: 286,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,608.60 : 1,085,464.72 = 191,124.32 : x
  2. Step 2: Convert to fraction form
    723,608.60/1,085,464.72 = 191,124.32/x
  3. Step 3: Cross multiply
    723,608.60x = 1,085,464.72 × 191,124.32
  4. Step 4: Simplify right side
    723,608.60x = 207,458,706,493.99
  5. Step 5: Solve for x
    x = 207,458,706,493.99/723,608.60
  6. Step 6: Final answer
    x = 286,700.17

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