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Finding the Fourth Proportional to 262,271.69, 392,324.96 and 198,613.59

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Solution

The fourth proportional to 262,271.69, 392,324.96 and 198,613.59 is: 297,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,271.69 : 392,324.96 = 198,613.59 : x
  2. Step 2: Convert to fraction form
    262,271.69/392,324.96 = 198,613.59/x
  3. Step 3: Cross multiply
    262,271.69x = 392,324.96 × 198,613.59
  4. Step 4: Simplify right side
    262,271.69x = 77,921,067,759.14
  5. Step 5: Solve for x
    x = 77,921,067,759.14/262,271.69
  6. Step 6: Final answer
    x = 297,100.57

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1.5x scale

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.