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Finding the Fourth Proportional to 547,374.10, 821,675.55 and 423,265.30

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Solution

The fourth proportional to 547,374.10, 821,675.55 and 423,265.30 is: 635,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,374.10 : 821,675.55 = 423,265.30 : x
  2. Step 2: Convert to fraction form
    547,374.10/821,675.55 = 423,265.30/x
  3. Step 3: Cross multiply
    547,374.10x = 821,675.55 × 423,265.30
  4. Step 4: Simplify right side
    547,374.10x = 347,786,748,173.42
  5. Step 5: Solve for x
    x = 347,786,748,173.42/547,374.10
  6. Step 6: Final answer
    x = 635,373.04

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