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Finding the Fourth Proportional to 417,693.56, 626,439.98 and 192,837.96

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Solution

The fourth proportional to 417,693.56, 626,439.98 and 192,837.96 is: 289,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,693.56 : 626,439.98 = 192,837.96 : x
  2. Step 2: Convert to fraction form
    417,693.56/626,439.98 = 192,837.96/x
  3. Step 3: Cross multiply
    417,693.56x = 626,439.98 × 192,837.96
  4. Step 4: Simplify right side
    417,693.56x = 120,801,409,371.74
  5. Step 5: Solve for x
    x = 120,801,409,371.74/417,693.56
  6. Step 6: Final answer
    x = 289,210.61

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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.