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Finding the Fourth Proportional to 352,894.60, 528,467.10 and 226,340.20

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Solution

The fourth proportional to 352,894.60, 528,467.10 and 226,340.20 is: 338,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,894.60 : 528,467.10 = 226,340.20 : x
  2. Step 2: Convert to fraction form
    352,894.60/528,467.10 = 226,340.20/x
  3. Step 3: Cross multiply
    352,894.60x = 528,467.10 × 226,340.20
  4. Step 4: Simplify right side
    352,894.60x = 119,613,349,107.42
  5. Step 5: Solve for x
    x = 119,613,349,107.42/352,894.60
  6. Step 6: Final answer
    x = 338,949.22

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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.