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Finding the Fourth Proportional to 581,325.66, 802,144.62 and 323,181.90

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Solution

The fourth proportional to 581,325.66, 802,144.62 and 323,181.90 is: 445,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,325.66 : 802,144.62 = 323,181.90 : x
  2. Step 2: Convert to fraction form
    581,325.66/802,144.62 = 323,181.90/x
  3. Step 3: Cross multiply
    581,325.66x = 802,144.62 × 323,181.90
  4. Step 4: Simplify right side
    581,325.66x = 259,238,622,366.38
  5. Step 5: Solve for x
    x = 259,238,622,366.38/581,325.66
  6. Step 6: Final answer
    x = 445,943.88

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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.