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Finding the Fourth Proportional to 368,174.16, 552,961.44 and 228,906

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Solution

The fourth proportional to 368,174.16, 552,961.44 and 228,906 is: 343,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,174.16 : 552,961.44 = 228,906 : x
  2. Step 2: Convert to fraction form
    368,174.16/552,961.44 = 228,906/x
  3. Step 3: Cross multiply
    368,174.16x = 552,961.44 × 228,906
  4. Step 4: Simplify right side
    368,174.16x = 126,576,191,384.64
  5. Step 5: Solve for x
    x = 126,576,191,384.64/368,174.16
  6. Step 6: Final answer
    x = 343,794.34

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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.