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Finding the Fourth Proportional to 356,558.74, 492,054.84 and 195,410.26

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Solution

The fourth proportional to 356,558.74, 492,054.84 and 195,410.26 is: 269,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,558.74 : 492,054.84 = 195,410.26 : x
  2. Step 2: Convert to fraction form
    356,558.74/492,054.84 = 195,410.26/x
  3. Step 3: Cross multiply
    356,558.74x = 492,054.84 × 195,410.26
  4. Step 4: Simplify right side
    356,558.74x = 96,152,564,218.66
  5. Step 5: Solve for x
    x = 96,152,564,218.66/356,558.74
  6. Step 6: Final answer
    x = 269,668.23

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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.