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Finding the Fourth Proportional to 263,404.67, 363,498.41 and 142,545.95

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Solution

The fourth proportional to 263,404.67, 363,498.41 and 142,545.95 is: 196,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,404.67 : 363,498.41 = 142,545.95 : x
  2. Step 2: Convert to fraction form
    263,404.67/363,498.41 = 142,545.95/x
  3. Step 3: Cross multiply
    263,404.67x = 363,498.41 × 142,545.95
  4. Step 4: Simplify right side
    263,404.67x = 51,815,226,078.93
  5. Step 5: Solve for x
    x = 51,815,226,078.93/263,404.67
  6. Step 6: Final answer
    x = 196,713.40

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1.5x scale

Why These Related Problems?

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