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Finding the Fourth Proportional to 373,344.60, 559,401.30 and 215,297.40

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Solution

The fourth proportional to 373,344.60, 559,401.30 and 215,297.40 is: 322,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,344.60 : 559,401.30 = 215,297.40 : x
  2. Step 2: Convert to fraction form
    373,344.60/559,401.30 = 215,297.40/x
  3. Step 3: Cross multiply
    373,344.60x = 559,401.30 × 215,297.40
  4. Step 4: Simplify right side
    373,344.60x = 120,437,645,446.62
  5. Step 5: Solve for x
    x = 120,437,645,446.62/373,344.60
  6. Step 6: Final answer
    x = 322,591.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.