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Finding the Fourth Proportional to 356,677.26, 492,133.77 and 241,971.54

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Solution

The fourth proportional to 356,677.26, 492,133.77 and 241,971.54 is: 333,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,677.26 : 492,133.77 = 241,971.54 : x
  2. Step 2: Convert to fraction form
    356,677.26/492,133.77 = 241,971.54/x
  3. Step 3: Cross multiply
    356,677.26x = 492,133.77 × 241,971.54
  4. Step 4: Simplify right side
    356,677.26x = 119,082,366,212.91
  5. Step 5: Solve for x
    x = 119,082,366,212.91/356,677.26
  6. Step 6: Final answer
    x = 333,865.88

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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.