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Finding the Fourth Proportional to 323,458.83, 446,376.28 and 178,269.88

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Solution

The fourth proportional to 323,458.83, 446,376.28 and 178,269.88 is: 246,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,458.83 : 446,376.28 = 178,269.88 : x
  2. Step 2: Convert to fraction form
    323,458.83/446,376.28 = 178,269.88/x
  3. Step 3: Cross multiply
    323,458.83x = 446,376.28 × 178,269.88
  4. Step 4: Simplify right side
    323,458.83x = 79,575,442,747.22
  5. Step 5: Solve for x
    x = 79,575,442,747.22/323,458.83
  6. Step 6: Final answer
    x = 246,014.13

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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.