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Finding the Fourth Proportional to 322,798.86, 445,444.74 and 177,601.89

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Solution

The fourth proportional to 322,798.86, 445,444.74 and 177,601.89 is: 245,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,798.86 : 445,444.74 = 177,601.89 : x
  2. Step 2: Convert to fraction form
    322,798.86/445,444.74 = 177,601.89/x
  3. Step 3: Cross multiply
    322,798.86x = 445,444.74 × 177,601.89
  4. Step 4: Simplify right side
    322,798.86x = 79,111,827,714.56
  5. Step 5: Solve for x
    x = 79,111,827,714.56/322,798.86
  6. Step 6: Final answer
    x = 245,080.88

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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.