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Finding the Fourth Proportional to 404,997.87, 554,039.99 and 403,292.01

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Solution

The fourth proportional to 404,997.87, 554,039.99 and 403,292.01 is: 551,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,997.87 : 554,039.99 = 403,292.01 : x
  2. Step 2: Convert to fraction form
    404,997.87/554,039.99 = 403,292.01/x
  3. Step 3: Cross multiply
    404,997.87x = 554,039.99 × 403,292.01
  4. Step 4: Simplify right side
    404,997.87x = 223,439,901,187.48
  5. Step 5: Solve for x
    x = 223,439,901,187.48/404,997.87
  6. Step 6: Final answer
    x = 551,706.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.