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Finding the Fourth Proportional to 332,859.78, 459,346.44 and 181,956.78

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Solution

The fourth proportional to 332,859.78, 459,346.44 and 181,956.78 is: 251,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,859.78 : 459,346.44 = 181,956.78 : x
  2. Step 2: Convert to fraction form
    332,859.78/459,346.44 = 181,956.78/x
  3. Step 3: Cross multiply
    332,859.78x = 459,346.44 × 181,956.78
  4. Step 4: Simplify right side
    332,859.78x = 83,581,199,126.86
  5. Step 5: Solve for x
    x = 83,581,199,126.86/332,859.78
  6. Step 6: Final answer
    x = 251,100.33

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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.