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Finding the Fourth Proportional to 404,622.60, 558,295.82 and 232,507.31

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Solution

The fourth proportional to 404,622.60, 558,295.82 and 232,507.31 is: 320,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,622.60 : 558,295.82 = 232,507.31 : x
  2. Step 2: Convert to fraction form
    404,622.60/558,295.82 = 232,507.31/x
  3. Step 3: Cross multiply
    404,622.60x = 558,295.82 × 232,507.31
  4. Step 4: Simplify right side
    404,622.60x = 129,807,859,292.44
  5. Step 5: Solve for x
    x = 129,807,859,292.44/404,622.60
  6. Step 6: Final answer
    x = 320,812.18

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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.