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Finding the Fourth Proportional to 237,379.95, 327,737.21 and 211,842.54

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Solution

The fourth proportional to 237,379.95, 327,737.21 and 211,842.54 is: 292,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,379.95 : 327,737.21 = 211,842.54 : x
  2. Step 2: Convert to fraction form
    237,379.95/327,737.21 = 211,842.54/x
  3. Step 3: Cross multiply
    237,379.95x = 327,737.21 × 211,842.54
  4. Step 4: Simplify right side
    237,379.95x = 69,428,681,959.70
  5. Step 5: Solve for x
    x = 69,428,681,959.70/237,379.95
  6. Step 6: Final answer
    x = 292,479.13

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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.