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Finding the Fourth Proportional to 323,088.64, 445,904.18 and 185,321.32

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Solution

The fourth proportional to 323,088.64, 445,904.18 and 185,321.32 is: 255,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,088.64 : 445,904.18 = 185,321.32 : x
  2. Step 2: Convert to fraction form
    323,088.64/445,904.18 = 185,321.32/x
  3. Step 3: Cross multiply
    323,088.64x = 445,904.18 × 185,321.32
  4. Step 4: Simplify right side
    323,088.64x = 82,635,551,231.12
  5. Step 5: Solve for x
    x = 82,635,551,231.12/323,088.64
  6. Step 6: Final answer
    x = 255,767.43

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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.