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Finding the Fourth Proportional to 364,825.60, 546,946.80 and 154,290.40

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Solution

The fourth proportional to 364,825.60, 546,946.80 and 154,290.40 is: 231,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,825.60 : 546,946.80 = 154,290.40 : x
  2. Step 2: Convert to fraction form
    364,825.60/546,946.80 = 154,290.40/x
  3. Step 3: Cross multiply
    364,825.60x = 546,946.80 × 154,290.40
  4. Step 4: Simplify right side
    364,825.60x = 84,388,640,550.72
  5. Step 5: Solve for x
    x = 84,388,640,550.72/364,825.60
  6. Step 6: Final answer
    x = 231,312.28

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