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Finding the Fourth Proportional to 455,438.40, 683,157.60 and 174,962.40

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Solution

The fourth proportional to 455,438.40, 683,157.60 and 174,962.40 is: 262,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,438.40 : 683,157.60 = 174,962.40 : x
  2. Step 2: Convert to fraction form
    455,438.40/683,157.60 = 174,962.40/x
  3. Step 3: Cross multiply
    455,438.40x = 683,157.60 × 174,962.40
  4. Step 4: Simplify right side
    455,438.40x = 119,526,893,274.24
  5. Step 5: Solve for x
    x = 119,526,893,274.24/455,438.40
  6. Step 6: Final answer
    x = 262,443.60

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