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Finding the Fourth Proportional to 356,559.25, 492,055.53 and 195,410.77

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Solution

The fourth proportional to 356,559.25, 492,055.53 and 195,410.77 is: 269,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,559.25 : 492,055.53 = 195,410.77 : x
  2. Step 2: Convert to fraction form
    356,559.25/492,055.53 = 195,410.77/x
  3. Step 3: Cross multiply
    356,559.25x = 492,055.53 × 195,410.77
  4. Step 4: Simplify right side
    356,559.25x = 96,152,950,000.06
  5. Step 5: Solve for x
    x = 96,152,950,000.06/356,559.25
  6. Step 6: Final answer
    x = 269,668.93

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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.