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Finding the Fourth Proportional to 404,136.30, 606,204.45 and 371,331.30

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Solution

The fourth proportional to 404,136.30, 606,204.45 and 371,331.30 is: 556,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,136.30 : 606,204.45 = 371,331.30 : x
  2. Step 2: Convert to fraction form
    404,136.30/606,204.45 = 371,331.30/x
  3. Step 3: Cross multiply
    404,136.30x = 606,204.45 × 371,331.30
  4. Step 4: Simplify right side
    404,136.30x = 225,102,686,484.29
  5. Step 5: Solve for x
    x = 225,102,686,484.29/404,136.30
  6. Step 6: Final answer
    x = 556,996.95

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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.