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Finding the Fourth Proportional to 404,534.72, 607,174.79 and 204,996.49

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Solution

The fourth proportional to 404,534.72, 607,174.79 and 204,996.49 is: 307,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,534.72 : 607,174.79 = 204,996.49 : x
  2. Step 2: Convert to fraction form
    404,534.72/607,174.79 = 204,996.49/x
  3. Step 3: Cross multiply
    404,534.72x = 607,174.79 × 204,996.49
  4. Step 4: Simplify right side
    404,534.72x = 124,468,698,223.57
  5. Step 5: Solve for x
    x = 124,468,698,223.57/404,534.72
  6. Step 6: Final answer
    x = 307,683.60

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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.