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Finding the Fourth Proportional to 347,930.69, 480,136.19 and 204,699.95

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Solution

The fourth proportional to 347,930.69, 480,136.19 and 204,699.95 is: 282,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,930.69 : 480,136.19 = 204,699.95 : x
  2. Step 2: Convert to fraction form
    347,930.69/480,136.19 = 204,699.95/x
  3. Step 3: Cross multiply
    347,930.69x = 480,136.19 × 204,699.95
  4. Step 4: Simplify right side
    347,930.69x = 98,283,852,197.26
  5. Step 5: Solve for x
    x = 98,283,852,197.26/347,930.69
  6. Step 6: Final answer
    x = 282,481.13

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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.