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Finding the Fourth Proportional to 366,519.44, 549,990.60 and 198,040.24

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Solution

The fourth proportional to 366,519.44, 549,990.60 and 198,040.24 is: 297,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,519.44 : 549,990.60 = 198,040.24 : x
  2. Step 2: Convert to fraction form
    366,519.44/549,990.60 = 198,040.24/x
  3. Step 3: Cross multiply
    366,519.44x = 549,990.60 × 198,040.24
  4. Step 4: Simplify right side
    366,519.44x = 108,920,270,421.74
  5. Step 5: Solve for x
    x = 108,920,270,421.74/366,519.44
  6. Step 6: Final answer
    x = 297,174.61

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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.