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Finding the Fourth Proportional to 404,936.65, 558,802.53 and 232,850.51

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Solution

The fourth proportional to 404,936.65, 558,802.53 and 232,850.51 is: 321,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,936.65 : 558,802.53 = 232,850.51 : x
  2. Step 2: Convert to fraction form
    404,936.65/558,802.53 = 232,850.51/x
  3. Step 3: Cross multiply
    404,936.65x = 558,802.53 × 232,850.51
  4. Step 4: Simplify right side
    404,936.65x = 130,117,450,141.53
  5. Step 5: Solve for x
    x = 130,117,450,141.53/404,936.65
  6. Step 6: Final answer
    x = 321,327.92

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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.