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Finding the Fourth Proportional to 348,522.30, 521,617.05 and 306,531.90

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Solution

The fourth proportional to 348,522.30, 521,617.05 and 306,531.90 is: 458,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,522.30 : 521,617.05 = 306,531.90 : x
  2. Step 2: Convert to fraction form
    348,522.30/521,617.05 = 306,531.90/x
  3. Step 3: Cross multiply
    348,522.30x = 521,617.05 × 306,531.90
  4. Step 4: Simplify right side
    348,522.30x = 159,892,265,408.90
  5. Step 5: Solve for x
    x = 159,892,265,408.90/348,522.30
  6. Step 6: Final answer
    x = 458,771.98

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