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Finding the Fourth Proportional to 404,621.60, 558,294.44 and 232,506.31

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Solution

The fourth proportional to 404,621.60, 558,294.44 and 232,506.31 is: 320,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,621.60 : 558,294.44 = 232,506.31 : x
  2. Step 2: Convert to fraction form
    404,621.60/558,294.44 = 232,506.31/x
  3. Step 3: Cross multiply
    404,621.60x = 558,294.44 × 232,506.31
  4. Step 4: Simplify right side
    404,621.60x = 129,806,980,137.92
  5. Step 5: Solve for x
    x = 129,806,980,137.92/404,621.60
  6. Step 6: Final answer
    x = 320,810.80

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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.