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Finding the Fourth Proportional to 352,262.60, 528,005.10 and 194,604.20

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Solution

The fourth proportional to 352,262.60, 528,005.10 and 194,604.20 is: 291,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,262.60 : 528,005.10 = 194,604.20 : x
  2. Step 2: Convert to fraction form
    352,262.60/528,005.10 = 194,604.20/x
  3. Step 3: Cross multiply
    352,262.60x = 528,005.10 × 194,604.20
  4. Step 4: Simplify right side
    352,262.60x = 102,752,010,081.42
  5. Step 5: Solve for x
    x = 102,752,010,081.42/352,262.60
  6. Step 6: Final answer
    x = 291,691.51

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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.