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Finding the Fourth Proportional to 352,467.96, 486,392.58 and 191,319.54

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Solution

The fourth proportional to 352,467.96, 486,392.58 and 191,319.54 is: 264,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,467.96 : 486,392.58 = 191,319.54 : x
  2. Step 2: Convert to fraction form
    352,467.96/486,392.58 = 191,319.54/x
  3. Step 3: Cross multiply
    352,467.96x = 486,392.58 × 191,319.54
  4. Step 4: Simplify right side
    352,467.96x = 93,056,404,665.01
  5. Step 5: Solve for x
    x = 93,056,404,665.01/352,467.96
  6. Step 6: Final answer
    x = 264,013.80

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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.