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Finding the Fourth Proportional to 356,835.98, 492,440.41 and 195,681.42

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Solution

The fourth proportional to 356,835.98, 492,440.41 and 195,681.42 is: 270,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,835.98 : 492,440.41 = 195,681.42 : x
  2. Step 2: Convert to fraction form
    356,835.98/492,440.41 = 195,681.42/x
  3. Step 3: Cross multiply
    356,835.98x = 492,440.41 × 195,681.42
  4. Step 4: Simplify right side
    356,835.98x = 96,361,438,938.78
  5. Step 5: Solve for x
    x = 96,361,438,938.78/356,835.98
  6. Step 6: Final answer
    x = 270,044.06

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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.