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Finding the Fourth Proportional to 462,813.03, 638,673.52 and 261,609.03

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Solution

The fourth proportional to 462,813.03, 638,673.52 and 261,609.03 is: 361,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,813.03 : 638,673.52 = 261,609.03 : x
  2. Step 2: Convert to fraction form
    462,813.03/638,673.52 = 261,609.03/x
  3. Step 3: Cross multiply
    462,813.03x = 638,673.52 × 261,609.03
  4. Step 4: Simplify right side
    462,813.03x = 167,082,760,053.89
  5. Step 5: Solve for x
    x = 167,082,760,053.89/462,813.03
  6. Step 6: Final answer
    x = 361,015.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.