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Finding the Fourth Proportional to 323,087.64, 445,902.80 and 185,320.32

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Solution

The fourth proportional to 323,087.64, 445,902.80 and 185,320.32 is: 255,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,087.64 : 445,902.80 = 185,320.32 : x
  2. Step 2: Convert to fraction form
    323,087.64/445,902.80 = 185,320.32/x
  3. Step 3: Cross multiply
    323,087.64x = 445,902.80 × 185,320.32
  4. Step 4: Simplify right side
    323,087.64x = 82,634,849,584.90
  5. Step 5: Solve for x
    x = 82,634,849,584.90/323,087.64
  6. Step 6: Final answer
    x = 255,766.05

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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.