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Finding the Fourth Proportional to 323,597.98, 485,421.54 and 110,299.60

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Solution

The fourth proportional to 323,597.98, 485,421.54 and 110,299.60 is: 165,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,597.98 : 485,421.54 = 110,299.60 : x
  2. Step 2: Convert to fraction form
    323,597.98/485,421.54 = 110,299.60/x
  3. Step 3: Cross multiply
    323,597.98x = 485,421.54 × 110,299.60
  4. Step 4: Simplify right side
    323,597.98x = 53,541,801,693.38
  5. Step 5: Solve for x
    x = 53,541,801,693.38/323,597.98
  6. Step 6: Final answer
    x = 165,457.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.