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Finding the Fourth Proportional to 352,732.46, 486,774.36 and 191,590.65

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Solution

The fourth proportional to 352,732.46, 486,774.36 and 191,590.65 is: 264,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,732.46 : 486,774.36 = 191,590.65 : x
  2. Step 2: Convert to fraction form
    352,732.46/486,774.36 = 191,590.65/x
  3. Step 3: Cross multiply
    352,732.46x = 486,774.36 × 191,590.65
  4. Step 4: Simplify right side
    352,732.46x = 93,261,416,035.73
  5. Step 5: Solve for x
    x = 93,261,416,035.73/352,732.46
  6. Step 6: Final answer
    x = 264,397.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.