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Finding the Fourth Proportional to 352,458.60, 486,379.86 and 191,310.24

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Solution

The fourth proportional to 352,458.60, 486,379.86 and 191,310.24 is: 264,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,458.60 : 486,379.86 = 191,310.24 : x
  2. Step 2: Convert to fraction form
    352,458.60/486,379.86 = 191,310.24/x
  3. Step 3: Cross multiply
    352,458.60x = 486,379.86 × 191,310.24
  4. Step 4: Simplify right side
    352,458.60x = 93,049,447,747.77
  5. Step 5: Solve for x
    x = 93,049,447,747.77/352,458.60
  6. Step 6: Final answer
    x = 264,001.07

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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.