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Finding the Fourth Proportional to 356,676.89, 492,133.25 and 241,971.17

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Solution

The fourth proportional to 356,676.89, 492,133.25 and 241,971.17 is: 333,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,676.89 : 492,133.25 = 241,971.17 : x
  2. Step 2: Convert to fraction form
    356,676.89/492,133.25 = 241,971.17/x
  3. Step 3: Cross multiply
    356,676.89x = 492,133.25 × 241,971.17
  4. Step 4: Simplify right side
    356,676.89x = 119,082,056,442.66
  5. Step 5: Solve for x
    x = 119,082,056,442.66/356,676.89
  6. Step 6: Final answer
    x = 333,865.36

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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.