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Finding the Fourth Proportional to 342,604.82, 513,568.22 and 162,373.47

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Solution

The fourth proportional to 342,604.82, 513,568.22 and 162,373.47 is: 243,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,604.82 : 513,568.22 = 162,373.47 : x
  2. Step 2: Convert to fraction form
    342,604.82/513,568.22 = 162,373.47/x
  3. Step 3: Cross multiply
    342,604.82x = 513,568.22 × 162,373.47
  4. Step 4: Simplify right side
    342,604.82x = 83,389,853,151.26
  5. Step 5: Solve for x
    x = 83,389,853,151.26/342,604.82
  6. Step 6: Final answer
    x = 243,399.54

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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.