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Finding the Fourth Proportional to 352,563.40, 529,622.70 and 339,344.20

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Solution

The fourth proportional to 352,563.40, 529,622.70 and 339,344.20 is: 509,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,563.40 : 529,622.70 = 339,344.20 : x
  2. Step 2: Convert to fraction form
    352,563.40/529,622.70 = 339,344.20/x
  3. Step 3: Cross multiply
    352,563.40x = 529,622.70 × 339,344.20
  4. Step 4: Simplify right side
    352,563.40x = 179,724,391,433.34
  5. Step 5: Solve for x
    x = 179,724,391,433.34/352,563.40
  6. Step 6: Final answer
    x = 509,764.74

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Why These Related Problems?

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