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Finding the Fourth Proportional to 652,874.22, 979,356.33 and 273,412.89

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Solution

The fourth proportional to 652,874.22, 979,356.33 and 273,412.89 is: 410,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,874.22 : 979,356.33 = 273,412.89 : x
  2. Step 2: Convert to fraction form
    652,874.22/979,356.33 = 273,412.89/x
  3. Step 3: Cross multiply
    652,874.22x = 979,356.33 × 273,412.89
  4. Step 4: Simplify right side
    652,874.22x = 267,768,644,525.09
  5. Step 5: Solve for x
    x = 267,768,644,525.09/652,874.22
  6. Step 6: Final answer
    x = 410,138.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.