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Finding the Fourth Proportional to 356,862.36, 492,476.36 and 195,716

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Solution

The fourth proportional to 356,862.36, 492,476.36 and 195,716 is: 270,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,862.36 : 492,476.36 = 195,716 : x
  2. Step 2: Convert to fraction form
    356,862.36/492,476.36 = 195,716/x
  3. Step 3: Cross multiply
    356,862.36x = 492,476.36 × 195,716
  4. Step 4: Simplify right side
    356,862.36x = 96,385,503,273.76
  5. Step 5: Solve for x
    x = 96,385,503,273.76/356,862.36
  6. Step 6: Final answer
    x = 270,091.54

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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.