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Finding the Fourth Proportional to 356,894.69, 492,515.39 and 195,751.07

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Solution

The fourth proportional to 356,894.69, 492,515.39 and 195,751.07 is: 270,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,894.69 : 492,515.39 = 195,751.07 : x
  2. Step 2: Convert to fraction form
    356,894.69/492,515.39 = 195,751.07/x
  3. Step 3: Cross multiply
    356,894.69x = 492,515.39 × 195,751.07
  4. Step 4: Simplify right side
    356,894.69x = 96,410,411,142.64
  5. Step 5: Solve for x
    x = 96,410,411,142.64/356,894.69
  6. Step 6: Final answer
    x = 270,136.86

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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.