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Finding the Fourth Proportional to 352,509.90, 529,110.45 and 175,217.10

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Solution

The fourth proportional to 352,509.90, 529,110.45 and 175,217.10 is: 262,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,509.90 : 529,110.45 = 175,217.10 : x
  2. Step 2: Convert to fraction form
    352,509.90/529,110.45 = 175,217.10/x
  3. Step 3: Cross multiply
    352,509.90x = 529,110.45 × 175,217.10
  4. Step 4: Simplify right side
    352,509.90x = 92,709,198,628.70
  5. Step 5: Solve for x
    x = 92,709,198,628.70/352,509.90
  6. Step 6: Final answer
    x = 262,997.43

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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.