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Finding the Fourth Proportional to 462,269.37, 637,930.40 and 258,320.48

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Solution

The fourth proportional to 462,269.37, 637,930.40 and 258,320.48 is: 356,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,269.37 : 637,930.40 = 258,320.48 : x
  2. Step 2: Convert to fraction form
    462,269.37/637,930.40 = 258,320.48/x
  3. Step 3: Cross multiply
    462,269.37x = 637,930.40 × 258,320.48
  4. Step 4: Simplify right side
    462,269.37x = 164,790,489,375.22
  5. Step 5: Solve for x
    x = 164,790,489,375.22/462,269.37
  6. Step 6: Final answer
    x = 356,481.52

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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.