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Finding the Fourth Proportional to 368,489.91, 552,728.68 and 165,973.37

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Solution

The fourth proportional to 368,489.91, 552,728.68 and 165,973.37 is: 248,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,489.91 : 552,728.68 = 165,973.37 : x
  2. Step 2: Convert to fraction form
    368,489.91/552,728.68 = 165,973.37/x
  3. Step 3: Cross multiply
    368,489.91x = 552,728.68 × 165,973.37
  4. Step 4: Simplify right side
    368,489.91x = 91,738,240,885.38
  5. Step 5: Solve for x
    x = 91,738,240,885.38/368,489.91
  6. Step 6: Final answer
    x = 248,957.27

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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.