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Finding the Fourth Proportional to 332,998.86, 499,266.57 and 143,402.37

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Solution

The fourth proportional to 332,998.86, 499,266.57 and 143,402.37 is: 215,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,998.86 : 499,266.57 = 143,402.37 : x
  2. Step 2: Convert to fraction form
    332,998.86/499,266.57 = 143,402.37/x
  3. Step 3: Cross multiply
    332,998.86x = 499,266.57 × 143,402.37
  4. Step 4: Simplify right side
    332,998.86x = 71,596,009,399.77
  5. Step 5: Solve for x
    x = 71,596,009,399.77/332,998.86
  6. Step 6: Final answer
    x = 215,003.77

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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.