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Finding the Fourth Proportional to 611,579.60, 917,369.40 and 162,369.80

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Solution

The fourth proportional to 611,579.60, 917,369.40 and 162,369.80 is: 243,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,579.60 : 917,369.40 = 162,369.80 : x
  2. Step 2: Convert to fraction form
    611,579.60/917,369.40 = 162,369.80/x
  3. Step 3: Cross multiply
    611,579.60x = 917,369.40 × 162,369.80
  4. Step 4: Simplify right side
    611,579.60x = 148,953,086,004.12
  5. Step 5: Solve for x
    x = 148,953,086,004.12/611,579.60
  6. Step 6: Final answer
    x = 243,554.70

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