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Finding the Fourth Proportional to 394,526.78, 592,211.37 and 169,998.02

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Solution

The fourth proportional to 394,526.78, 592,211.37 and 169,998.02 is: 255,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,526.78 : 592,211.37 = 169,998.02 : x
  2. Step 2: Convert to fraction form
    394,526.78/592,211.37 = 169,998.02/x
  3. Step 3: Cross multiply
    394,526.78x = 592,211.37 × 169,998.02
  4. Step 4: Simplify right side
    394,526.78x = 100,674,760,321.49
  5. Step 5: Solve for x
    x = 100,674,760,321.49/394,526.78
  6. Step 6: Final answer
    x = 255,178.52

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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.