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Finding the Fourth Proportional to 475,879.20, 713,652.50 and 191,495.96

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Solution

The fourth proportional to 475,879.20, 713,652.50 and 191,495.96 is: 287,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,879.20 : 713,652.50 = 191,495.96 : x
  2. Step 2: Convert to fraction form
    475,879.20/713,652.50 = 191,495.96/x
  3. Step 3: Cross multiply
    475,879.20x = 713,652.50 × 191,495.96
  4. Step 4: Simplify right side
    475,879.20x = 136,661,570,645.57
  5. Step 5: Solve for x
    x = 136,661,570,645.57/475,879.20
  6. Step 6: Final answer
    x = 287,177.02

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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.