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Finding the Fourth Proportional to 356,708.90, 492,259.85 and 195,566.49

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Solution

The fourth proportional to 356,708.90, 492,259.85 and 195,566.49 is: 269,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,708.90 : 492,259.85 = 195,566.49 : x
  2. Step 2: Convert to fraction form
    356,708.90/492,259.85 = 195,566.49/x
  3. Step 3: Cross multiply
    356,708.90x = 492,259.85 × 195,566.49
  4. Step 4: Simplify right side
    356,708.90x = 96,269,531,032.43
  5. Step 5: Solve for x
    x = 96,269,531,032.43/356,708.90
  6. Step 6: Final answer
    x = 269,882.62

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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.