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Finding the Fourth Proportional to 356,710.77, 492,247.80 and 195,562.28

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Solution

The fourth proportional to 356,710.77, 492,247.80 and 195,562.28 is: 269,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,710.77 : 492,247.80 = 195,562.28 : x
  2. Step 2: Convert to fraction form
    356,710.77/492,247.80 = 195,562.28/x
  3. Step 3: Cross multiply
    356,710.77x = 492,247.80 × 195,562.28
  4. Step 4: Simplify right side
    356,710.77x = 96,265,103,323.60
  5. Step 5: Solve for x
    x = 96,265,103,323.60/356,710.77
  6. Step 6: Final answer
    x = 269,868.79

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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.