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Finding the Fourth Proportional to 372,525.27, 514,085.87 and 211,379.90

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Solution

The fourth proportional to 372,525.27, 514,085.87 and 211,379.90 is: 291,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,525.27 : 514,085.87 = 211,379.90 : x
  2. Step 2: Convert to fraction form
    372,525.27/514,085.87 = 211,379.90/x
  3. Step 3: Cross multiply
    372,525.27x = 514,085.87 × 211,379.90
  4. Step 4: Simplify right side
    372,525.27x = 108,667,416,164.68
  5. Step 5: Solve for x
    x = 108,667,416,164.68/372,525.27
  6. Step 6: Final answer
    x = 291,704.82

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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.