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Finding the Fourth Proportional to 532,408.68, 798,609.78 and 133,047.40

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Solution

The fourth proportional to 532,408.68, 798,609.78 and 133,047.40 is: 199,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,408.68 : 798,609.78 = 133,047.40 : x
  2. Step 2: Convert to fraction form
    532,408.68/798,609.78 = 133,047.40/x
  3. Step 3: Cross multiply
    532,408.68x = 798,609.78 × 133,047.40
  4. Step 4: Simplify right side
    532,408.68x = 106,252,954,843.57
  5. Step 5: Solve for x
    x = 106,252,954,843.57/532,408.68
  6. Step 6: Final answer
    x = 199,570.29

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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.