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Finding the Fourth Proportional to 424,283.00, 636,004.11 and 199,240.60

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Solution

The fourth proportional to 424,283.00, 636,004.11 and 199,240.60 is: 298,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,283.00 : 636,004.11 = 199,240.60 : x
  2. Step 2: Convert to fraction form
    424,283.00/636,004.11 = 199,240.60/x
  3. Step 3: Cross multiply
    424,283.00x = 636,004.11 × 199,240.60
  4. Step 4: Simplify right side
    424,283.00x = 126,717,839,707.79
  5. Step 5: Solve for x
    x = 126,717,839,707.79/424,283.00
  6. Step 6: Final answer
    x = 298,663.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.