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Finding the Fourth Proportional to 352,320.84, 529,465.42 and 329,636.18

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Solution

The fourth proportional to 352,320.84, 529,465.42 and 329,636.18 is: 495,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,320.84 : 529,465.42 = 329,636.18 : x
  2. Step 2: Convert to fraction form
    352,320.84/529,465.42 = 329,636.18/x
  3. Step 3: Cross multiply
    352,320.84x = 529,465.42 × 329,636.18
  4. Step 4: Simplify right side
    352,320.84x = 174,530,958,372.40
  5. Step 5: Solve for x
    x = 174,530,958,372.40/352,320.84
  6. Step 6: Final answer
    x = 495,375.06

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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.