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Finding the Fourth Proportional to 323,098.74, 445,854.78 and 179,855.10

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Solution

The fourth proportional to 323,098.74, 445,854.78 and 179,855.10 is: 248,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,098.74 : 445,854.78 = 179,855.10 : x
  2. Step 2: Convert to fraction form
    323,098.74/445,854.78 = 179,855.10/x
  3. Step 3: Cross multiply
    323,098.74x = 445,854.78 × 179,855.10
  4. Step 4: Simplify right side
    323,098.74x = 80,189,256,042.38
  5. Step 5: Solve for x
    x = 80,189,256,042.38/323,098.74
  6. Step 6: Final answer
    x = 248,188.08

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1.5x scale

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.