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Finding the Fourth Proportional to 586,554.89, 809,511.57 and 331,922.48

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Solution

The fourth proportional to 586,554.89, 809,511.57 and 331,922.48 is: 458,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,554.89 : 809,511.57 = 331,922.48 : x
  2. Step 2: Convert to fraction form
    586,554.89/809,511.57 = 331,922.48/x
  3. Step 3: Cross multiply
    586,554.89x = 809,511.57 × 331,922.48
  4. Step 4: Simplify right side
    586,554.89x = 268,695,083,855.54
  5. Step 5: Solve for x
    x = 268,695,083,855.54/586,554.89
  6. Step 6: Final answer
    x = 458,090.27

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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.