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Finding the Fourth Proportional to 326,872.16, 451,059.32 and 183,656.06

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Solution

The fourth proportional to 326,872.16, 451,059.32 and 183,656.06 is: 253,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,872.16 : 451,059.32 = 183,656.06 : x
  2. Step 2: Convert to fraction form
    326,872.16/451,059.32 = 183,656.06/x
  3. Step 3: Cross multiply
    326,872.16x = 451,059.32 × 183,656.06
  4. Step 4: Simplify right side
    326,872.16x = 82,839,774,363.90
  5. Step 5: Solve for x
    x = 82,839,774,363.90/326,872.16
  6. Step 6: Final answer
    x = 253,431.73

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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.