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Finding the Fourth Proportional to 322,674.58, 445,254.82 and 179,426.08

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Solution

The fourth proportional to 322,674.58, 445,254.82 and 179,426.08 is: 247,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,674.58 : 445,254.82 = 179,426.08 : x
  2. Step 2: Convert to fraction form
    322,674.58/445,254.82 = 179,426.08/x
  3. Step 3: Cross multiply
    322,674.58x = 445,254.82 × 179,426.08
  4. Step 4: Simplify right side
    322,674.58x = 79,890,326,953.71
  5. Step 5: Solve for x
    x = 79,890,326,953.71/322,674.58
  6. Step 6: Final answer
    x = 247,587.92

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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.