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Finding the Fourth Proportional to 767,872.40, 1,151,808.60 and 488,627.60

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Solution

The fourth proportional to 767,872.40, 1,151,808.60 and 488,627.60 is: 732,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,872.40 : 1,151,808.60 = 488,627.60 : x
  2. Step 2: Convert to fraction form
    767,872.40/1,151,808.60 = 488,627.60/x
  3. Step 3: Cross multiply
    767,872.40x = 1,151,808.60 × 488,627.60
  4. Step 4: Simplify right side
    767,872.40x = 562,805,471,877.36
  5. Step 5: Solve for x
    x = 562,805,471,877.36/767,872.40
  6. Step 6: Final answer
    x = 732,941.40

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