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Finding the Fourth Proportional to 322,936.48, 484,407.42 and 112,574.08

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Solution

The fourth proportional to 322,936.48, 484,407.42 and 112,574.08 is: 168,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,936.48 : 484,407.42 = 112,574.08 : x
  2. Step 2: Convert to fraction form
    322,936.48/484,407.42 = 112,574.08/x
  3. Step 3: Cross multiply
    322,936.48x = 484,407.42 × 112,574.08
  4. Step 4: Simplify right side
    322,936.48x = 54,531,719,651.67
  5. Step 5: Solve for x
    x = 54,531,719,651.67/322,936.48
  6. Step 6: Final answer
    x = 168,862.06

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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.