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Finding the Fourth Proportional to 352,752.09, 529,309.08 and 172,834.08

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Solution

The fourth proportional to 352,752.09, 529,309.08 and 172,834.08 is: 259,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,752.09 : 529,309.08 = 172,834.08 : x
  2. Step 2: Convert to fraction form
    352,752.09/529,309.08 = 172,834.08/x
  3. Step 3: Cross multiply
    352,752.09x = 529,309.08 × 172,834.08
  4. Step 4: Simplify right side
    352,752.09x = 91,482,647,877.45
  5. Step 5: Solve for x
    x = 91,482,647,877.45/352,752.09
  6. Step 6: Final answer
    x = 259,339.78

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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.