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Finding the Fourth Proportional to 369,447.60, 554,090.96 and 99,569.44

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Solution

The fourth proportional to 369,447.60, 554,090.96 and 99,569.44 is: 149,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,447.60 : 554,090.96 = 99,569.44 : x
  2. Step 2: Convert to fraction form
    369,447.60/554,090.96 = 99,569.44/x
  3. Step 3: Cross multiply
    369,447.60x = 554,090.96 × 99,569.44
  4. Step 4: Simplify right side
    369,447.60x = 55,170,526,596.26
  5. Step 5: Solve for x
    x = 55,170,526,596.26/369,447.60
  6. Step 6: Final answer
    x = 149,332.48

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