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Finding the Fourth Proportional to 361,658.58, 499,062.66 and 198,288.93

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Solution

The fourth proportional to 361,658.58, 499,062.66 and 198,288.93 is: 273,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,658.58 : 499,062.66 = 198,288.93 : x
  2. Step 2: Convert to fraction form
    361,658.58/499,062.66 = 198,288.93/x
  3. Step 3: Cross multiply
    361,658.58x = 499,062.66 × 198,288.93
  4. Step 4: Simplify right side
    361,658.58x = 98,958,600,854.35
  5. Step 5: Solve for x
    x = 98,958,600,854.35/361,658.58
  6. Step 6: Final answer
    x = 273,624.37

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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.